Business vs Buisness: Correct Spelling, Meaning, Grammar & 50 Examples

Have you ever written buisness in an email, school assignment, or business plan, then wondered whether the spelling was correct? It’s an easy mistake to make. The word doesn’t sound exactly the way it looks, and the letters s and i can be confusing.

The correct spelling is business, not buisness.

Business is a noun that can mean a company, commercial activity, professional work, or a matter that concerns someone. Buisness is a misspelling, not an accepted alternative in standard American or British English.

For example:

• Correct: She started a small business.
• Incorrect: She started a small buisness.
• Correct: We discussed the business plan.
• Incorrect: We discussed the buisness plan.

The easiest way to remember the spelling is to notice that business begins with BUSI, not BUIS.

In this guide, you’ll learn the difference between business vs buisness, the correct spelling and pronunciation, important grammar rules, and how business differs from busy, busyness, and businesses. You’ll also find practical examples, memory tricks, and a short quiz.

Quick Answer: Business vs Buisness

Business is the correct English spelling. Buisness is an incorrect spelling caused by reversing the letters s and i.

Word	Correct?	Meaning	Example
Business	Yes	A company, commercial activity, work, or a matter	My business is growing.
Buisness	No	Misspelling of business	My buisness is growing.

Correct spelling: B-U-S-I-N-E-S-S

Part of speech: Noun

American pronunciation: BIZ-niss

Number of syllables: Two

Plural: Businesses

Memory trick: Think BUS + I + NESS, not BUI + SNESS.

TL;DR: Business vs Buisness

• Business is correct; buisness is a common spelling mistake.
• The correct letter order is B-U-S-I-N-E-S-S.
• Business can mean a company, commercial activity, professional work, or a personal matter.
• Business is a noun, while busy is usually an adjective.
• Busyness means the state of being busy.
• Businesses is the plural form of business.
• Business’s shows possession by one business; businesses’ shows possession by multiple businesses.
• Business is commonly pronounced BIZ-niss, with two syllables.

Table of Contents

1. Business vs Buisness: What’s the Difference?
2. What Does Business Mean?
3. Is Buisness a Word?
4. Why Is Business Spelled With BUSI?
5. How to Spell Business Correctly
6. How to Pronounce Business
7. Business as a Countable and Uncountable Noun
8. Business vs Businesses
9. Business’s vs Businesses’
10. Business vs Busy
11. Business vs Busyness
12. Common Business Phrases and Expressions
13. Common Business Spelling Mistakes
14. Easy Tricks to Remember Business Spelling
15. 50 Business Example Sentences
16. Business vs Buisness Practice Quiz

Business vs Buisness: What’s the Difference?

The difference between business and buisness is the order of two letters.

The correct spelling is:

B-U-S-I-N-E-S-S

The incorrect spelling is:

B-U-I-S-N-E-S-S

In buisness, the letters s and i are reversed.

When Should You Use Business?

Use business when referring to a company, trade, work, commercial activity, or something that concerns a person.

Examples:

• My sister owns a business.
• He studies business management.
• The store is open for business.
• We have some unfinished business.
• That’s none of your business.

Why Is Buisness Incorrect?

The word buisness does not follow the established spelling of the English noun.

Although readers may understand it, the spelling is still incorrect.

Correct	Incorrect
Small business	Small buisness
Business owner	Buisness owner
Business meeting	Buisness meeting
Business plan	Buisness plan
Business management	Buisness management

Remember: The spelling stays business regardless of its meaning.

What Does Business Mean?

Business has several meanings in English. The intended meaning depends on the sentence.

Business Meaning a Company

A business is an organization or enterprise that sells products, provides services, or carries out commercial activities.

Examples:

• She opened a clothing business.
• His family owns a small business.
• The business hired five employees.

Business Meaning Commercial Activity

Business can describe buying, selling, trading, and other commercial activities.

Examples:

• Business is improving this month.
• The store does most of its business online.
• International business involves companies from different countries.

Business Meaning Professional Work

Business can refer to someone’s work or professional responsibilities.

Examples:

• She traveled to New York on business.
• We have important business to discuss.
• He returned early to handle some business.

Business Meaning a Personal Matter

Business can also mean something that concerns a particular person.

Examples:

• That’s none of your business.
• Please mind your own business.
• My personal decisions are my business.

Business Meanings at a Glance

Meaning	Explanation	Example
Company	An organization providing goods or services	She owns a business.
Commerce	Commercial activity	Business is growing.
Work	Professional responsibilities	He traveled on business.
Personal matter	Something that concerns someone	That’s my business.

Is Buisness a Word?

Buisness is not a standard English spelling. It is a common misspelling of business.

You may encounter it in online posts, text messages, or unedited documents, but it should be corrected in formal writing.

Why Do People Write Buisness?

The most common reason is a letter-order mistake.

The correct beginning is:

B-U-S-I

Some writers accidentally type:

B-U-I-S

The pronunciation can also contribute to confusion because business is not pronounced letter by letter.

Is Buisness Correct in American English?

No. American English uses business.

Is Buisness Correct in British English?

No. British English also uses business.

This is not a regional spelling difference like color/colour.

Can Buisness Be Used Informally?

People may understand the intended meaning, but it remains a misspelling.

For school assignments, professional emails, resumes, reports, and published articles, always use business.

Why Is Business Spelled With BUSI?

The spelling of business is historically connected to busy.

The word developed from older English forms associated with being occupied, work, and activity. Its meanings later expanded to include commercial activity and companies.

Business and Busy Are Related

Compare:

Busy: B-U-S-Y

Business: B-U-S-I-N-E-S-S

Both begin with BUS.

This connection helps explain why business begins with BUSI, not BUIS.

Why Doesn’t Business Sound Like Its Spelling?

English spelling and pronunciation do not always match perfectly.

Business has eight letters but is commonly pronounced with only two syllables:

BIZ-niss

Its modern spelling reflects the word’s historical development.

A Helpful Spelling Pattern

Break the word into two memory groups:

BUSI + NESS = BUSINESS

This is a spelling aid. Although business and busyness are historically related, they are different modern words with different meanings.

How to Spell Business Correctly

The correct spelling is:

B-U-S-I-N-E-S-S

The word contains eight letters.

Step-by-Step Spelling Guide

Step 1: Write BUS

Start with:

B-U-S

Step 2: Add I

Continue:

B-U-S-I

Step 3: Add NESS

Finish with:

B-U-S-I-N-E-S-S

Business Spelling Breakdown

Part	Letters
First part	BUSI
Second part	NESS
Complete word	BUSINESS

Common Incorrect Spellings

Spelling	Correct?
Business	Yes
Buisness	No
Bussiness	No
Busines	No
Busness	No
Buisnes	No

Quick Spelling Practice

Complete the word:

B U _ I N E S S

The missing letter is S.

The complete word is BUSINESS.

Spelling rule: The first four letters are always BUSI.

How to Pronounce Business

In American English, business is commonly pronounced:

BIZ-niss

IPA: /ˈbɪz.nəs/

It has two syllables, with the main stress on the first.

Business Syllable Breakdown

Syllable	Approximate Sound
First	BIZ
Second	niss

The first syllable receives the strongest emphasis.

Why Does Business Have Two Syllables?

Although the word contains eight letters, its common modern pronunciation has two syllables.

English spelling does not always represent every spoken sound separately.

Common Pronunciation Mistake

Some learners attempt to pronounce all the written vowels separately.

However, the standard American pronunciation is approximately BIZ-niss, not a three-syllable reading based on the spelling.

American vs British Pronunciation

Both American and British English commonly pronounce business with two syllables and first-syllable stress.

Small vowel differences may occur across accents.

Business as a Countable and Uncountable Noun

Business is a noun that can be countable or uncountable depending on its meaning.

Countable Business

When business means a company, it is usually countable.

Examples:

• She owns a business.
• He started two businesses.
• The business opened last year.

You can count individual companies.

Uncountable Business

When business refers to commerce, work, or activity in general, it is often uncountable.

Examples:

• Business is slow today.
• She studied business in college.
• They discussed business over lunch.

Countable vs Uncountable Business

Usage	Example
Countable singular	She owns a business.
Countable plural	They own three businesses.
Uncountable	Business is improving.
Uncountable	He studies business administration.

Common Grammar Mistake

Incorrect: She opened business in town.

Correct: She opened a business in town.

The corrected sentence clearly refers to one company.

The phrase open for business is also correct, but it has a different structure and meaning.

Business vs Businesses

Business is singular when referring to one company.

Businesses is plural when referring to two or more companies.

Singular: Business

Examples:

• One business opened downtown.
• Her business is successful.
• The business hired a manager.

Plural: Businesses

Examples:

• Three businesses opened downtown.
• Local businesses need customers.
• Many businesses operate online.

Business vs Businesses Table

Word	Number	Example
Business	Singular	The business is open.
Businesses	Plural	The businesses are open.

How to Form the Plural

The word business ends in -ss.

To form the plural, add -es:

Business → Businesses

Common Mistake

Incorrect: Several business opened nearby.

Correct: Several businesses opened nearby.

Use businesses when referring to multiple companies.

Business’s vs Businesses’

Business’s and businesses’ are both correct possessive forms, but they show different ownership.

Business’s: Singular Possessive

Use business’s when something belongs to one business.

Examples:

• The business’s website looks professional.
• The business’s owner announced the expansion.
• The business’s reputation is improving.

Businesses’: Plural Possessive

Use businesses’ when something belongs to multiple businesses.

Examples:

• The businesses’ owners attended the meeting.
• The businesses’ websites were updated.
• The businesses’ concerns were discussed.

Comparison Table

Form	Meaning	Example
Business	One company	The business is open.
Businesses	Multiple companies	The businesses are open.
Business’s	Belonging to one company	The business’s website is new.
Businesses’	Belonging to multiple companies	The businesses’ websites are new.

Easy Rule

Business’s = possession by one business.

Businesses’ = possession by multiple businesses.

Don’t confuse the plural businesses with either possessive form.

Business vs Busy

Business and busy are related words, but they have different meanings and grammatical functions.

Business is a noun.

Busy is usually an adjective meaning occupied or having many things to do.

What Does Busy Mean?

Busy describes someone or something that is occupied or full of activity.

Examples:

• She is busy today.
• The office is busy this morning.
• I’m too busy to attend the meeting.

What Does Business Mean?

Business can mean a company, commercial activity, work, or a matter.

Examples:

• She owns a business.
• The business is growing.
• He studies business management.

Business vs Busy Comparison

Feature	Business	Busy
Common part of speech	Noun	Adjective
Meaning	Company, commerce, work, or matter	Occupied or active
Example	She runs a business.	She is busy today.

Common Mistakes

Incorrect: She is business today.

Correct: She is busy today.

Incorrect: He owns a busy.

Correct: He owns a business.

Memory Trick

Busy describes a condition.

Business names a company, activity, or matter.

Business vs Busyness

Business and busyness are both correctly spelled English nouns, but they mean different things.

What Does Business Mean?

Business can refer to a company, commercial activity, work, or a matter.

Examples:

• Her business is growing.
• He traveled on business.
• We discussed important business.

What Does Busyness Mean?

Busyness means the state of being busy.

Examples:

• The busyness of the week exhausted her.
• He wanted a break from the busyness of city life.
• The holiday season brought unusual busyness to the office.

Business vs Busyness Comparison

Word	Meaning	Example
Business	Company, commerce, work, or matter	She owns a business.
Busyness	The state of being busy	The busyness of the day was exhausting.

Are Business and Busyness Interchangeable?

Usually, no.

Compare:

Her business is growing.

This means her company or commercial activity is expanding.

Her busyness is increasing.

This means she is becoming more occupied.

Important Grammar Note

Busyness is a valid English word. It is not a misspelling of business.

Common Business Phrases and Expressions

The word business appears in many everyday and professional expressions.

Common Business Expressions

Expression	Meaning	Example
Small business	A relatively small company	She owns a small business.
Business owner	Someone who owns a company	He is a business owner.
Business plan	A document describing business goals	We created a business plan.
Business meeting	A meeting about professional matters	I have a business meeting.
Business hours	Times when a company operates	Check the business hours.
Business trip	Travel for work	She went on a business trip.
Business partner	Someone in a business relationship	He met his business partner.
Business management	Organizing and directing business activities	She studies business management.
Mind your own business	Avoid interfering in someone’s private affairs	Please mind your own business.
None of your business	Not something that concerns you	That’s none of your business.
Open for business	Ready to serve customers	The store is open for business.
Get down to business	Begin serious work	Let’s get down to business.

Business in Professional Writing

Examples:

• Please review the business proposal.
• Our business meeting starts at 10 a.m.
• The business owner approved the plan.
• We discussed the company’s business strategy.

Business in Everyday Conversation

Examples:

• That’s none of your business.
• My sister started a business.
• He is away on business.
• Let’s get down to business.

Common Business Spelling Mistakes

The word business is often misspelled because of its unusual pronunciation and letter order.

Common Misspellings Table

Incorrect	Correct	Explanation
Buisness	Business	S and I are reversed
Bussiness	Business	Extra S near the beginning
Busines	Business	Missing final S
Buisnes	Business	Reversed letters and missing S
Busness	Business	Missing I
Bussines	Business	Extra S and missing final S

Mistake 1: Buisness Instead of Business

Incorrect: I started a buisness.

Correct: I started a business.

Mistake 2: Bussiness Instead of Business

Incorrect: She studies bussiness management.

Correct: She studies business management.

Mistake 3: Busines Instead of Business

Incorrect: The busines is growing.

Correct: The business is growing.

Mistake 4: Busness Instead of Business

Incorrect: He owns a small busness.

Correct: He owns a small business.

How to Avoid These Mistakes

Remember the correct letter sequence:

B-U-S-I-N-E-S-S

Pay attention to the beginning BUSI and the ending NESS.

Easy Tricks to Remember Business Spelling

These memory tricks can help you avoid writing buisness.

Memory Trick 1: Think BUS, Not BUI

The correct word begins with:

B-U-S

Not:

B-U-I

Think of a bus carrying people to work.

Then remember that business begins with those same three letters.

Memory Trick 2: Remember BUSI + NESS

Break the spelling into two groups:

BUSI + NESS

This makes the eight-letter word easier to remember.

Memory Trick 3: Connect Business With Busy

Both words begin with BUS.

Busy → Business

This relationship can remind you that s comes before i in business.

Memory Trick 4: Practice a Sentence

Write:

My business keeps me busy.

This sentence includes both related words and reinforces the correct spelling.

Memory Trick 5: Spell It Aloud

Say each letter:

B-U-S-I-N-E-S-S

Repeat the sequence until it becomes familiar.

Memory Trick 6: Use a Visual Pattern

Remember:

BUSI — first four letters.

NESS — last four letters.

Together:

BUSINESS

Best memory trick: Business starts with BUS, not BUI.

50 Business Example Sentences

These examples show how to use business, businesses, busy, and busyness correctly in different situations.

Everyday Business Sentences

1. My brother owns a small business.
2. Her business is growing quickly.
3. The business opens at nine.
4. I want to start a business.
5. His family runs a local business.
6. The business hired two employees.
7. She sold her business last year.
8. They opened a new business downtown.
9. The business offers delivery services.
10. My friend manages a successful business.

School and Learning Sentences

11. She studies business administration.
12. Our teacher explained the meaning of business.
13. The students created a business plan.
14. He wants to earn a business degree.
15. We discussed business ethics in class.
16. The textbook includes a chapter on business management.
17. She completed a business assignment.
18. The course introduces basic business concepts.
19. Students learned about small business ownership.
20. He presented a business idea to the class.

Professional Business Sentences

21. We have a business meeting tomorrow.
22. The manager reviewed the business report.
23. Our business strategy needs improvement.
24. She traveled to Boston on business.
25. The company updated its business website.
26. He discussed the business proposal with investors.
27. The business owner approved the budget.
28. We need a stronger business plan.
29. The team reviewed the business goals.
30. Their business partnership lasted ten years.

Businesses and Possessive Sentences

31. Several businesses opened downtown.
32. Local businesses support community events.
33. Many small businesses sell products online.
34. The businesses hired new employees.
35. These businesses offer similar services.
36. The business’s website was redesigned.
37. The business’s owner announced the expansion.
38. The businesses’ owners attended the conference.
39. The businesses’ websites were updated.
40. The businesses’ shared concerns were discussed.

Busy and Busyness Sentences

41. She is busy preparing for the meeting.
42. The office is busy today.
43. I’m too busy to attend the event.
44. He had a busy morning.
45. The restaurant becomes busy at lunchtime.
46. The busyness of the week left her exhausted.
47. He needed a break from the busyness of city life.
48. The holiday season increased the office’s busyness.
49. She enjoyed a quiet weekend after a period of busyness.
50. The busyness of his schedule made planning difficult.

Business vs Buisness Practice Quiz

Test your understanding of the correct spelling, meaning, and grammar rules.

Multiple-Choice Questions

1. Which spelling is correct?

A. Buisness
B. Business
C. Bussiness

2. What part of speech is business?

A. Adjective
B. Noun
C. Adverb

3. Which word means the state of being busy?

A. Business
B. Busyness
C. Businesses

4. What is the plural of business?

A. Business’s
B. Businesses
C. Business’

5. Which form is singular possessive?

A. Business’s
B. Businesses
C. Businesses’

6. Which form is plural possessive?

A. Business
B. Business’s
C. Businesses’

7. How many syllables does business commonly have?

A. One
B. Two
C. Three

8. Which sentence is correct?

A. She owns a buisness.
B. She owns a business.
C. She owns a bussiness.

9. Which word is usually an adjective?

A. Business
B. Busyness
C. Busy

10. What is the correct letter order?

A. B-U-I-S-N-E-S-S
B. B-U-S-I-N-E-S-S
C. B-U-S-S-I-N-E-S-S

Answer Key With Explanations

Question	Correct Answer	Explanation
1	B. Business	Correct standard spelling
2	B. Noun	Business names a company, activity, or matter
3	B. Busyness	Busyness means the state of being busy
4	B. Businesses	Add -es to form the plural
5	A. Business’s	Singular possessive form
6	C. Businesses’	Plural possessive form
7	B. Two	Commonly pronounced BIZ-niss
8	B	Business is spelled correctly
9	C. Busy	Busy is commonly an adjective
10	B	Correct letter order is B-U-S-I-N-E-S-S

Bonus Exercise: Correct the Mistakes

1. She started a small buisness.

Correct: She started a small business.

2. Several business opened nearby.

Correct: Several businesses opened nearby.

3. The businesses website is new. (One company)

Correct: The business’s website is new.

4. The business’s owners met together. (Multiple companies)

Correct: The businesses’ owners met together.

5. The business of the week left her tired. (State of being busy)

Correct: The busyness of the week left her tired.

Frequently Asked Questions

Is it business or buisness?

Business is the correct spelling. Buisness is a common misspelling caused by reversing the letters s and i.

Is buisness a real word?

Buisness is not a standard English word. It is a misspelling of business and should be avoided in formal writing.

Why is business spelled business?

The spelling is connected to the historical development of busy and related forms. The standard modern spelling is B-U-S-I-N-E-S-S.

How do you spell business correctly?

Spell it B-U-S-I-N-E-S-S. Remember that the first four letters are BUSI, not BUIS.

How do you pronounce business?

In American English, business is commonly pronounced BIZ-niss, with two syllables and stress on the first.

What is the plural of business?

The plural is businesses.

Example: Several businesses opened downtown.

What is the difference between business and busyness?

Business can mean a company, commercial activity, work, or a matter. Busyness means the state of being busy.

Is business’s grammatically correct?

Yes. Business’s is the singular possessive form.

Example: The business’s website is new.

For multiple businesses, use businesses’.

Conclusion

The difference between business vs buisness is straightforward: business is the correct spelling, while buisness is a common spelling mistake.

The correct spelling is:

B-U-S-I-N-E-S-S

Remember these important rules:

• Business is a noun referring to a company, commerce, work, or a matter.
• Buisness is not the standard spelling.
• Business begins with BUSI, not BUIS.
• Businesses is the plural form.
• Business’s is singular possessive.
• Businesses’ is plural possessive.
• Busy describes being occupied.
• Busyness means the state of being busy.

Whether you’re writing a school assignment, professional email, business plan, or everyday message, always use business, not buisness.

The simplest memory trick is also the most useful: Business starts with BUS, not BUI.

References and Further Reading

• Merriam-Webster Dictionary: Business — Definition, pronunciation, and word history.
• Cambridge Dictionary: Business — American English meanings and examples.
• Merriam-Webster Dictionary: Busyness — Definition of the state of being busy.
• Cambridge Dictionary: Busy — Definition and adjective usage.
• Britannica Dictionary: Business — Learner-friendly definitions and examples.
• Purdue Online Writing Lab: General Writing Resources — Grammar, spelling, and writing guidance.