American vs. British English Quiz: Test Spelling and Word Choice

This American vs. British English quiz helps you practice common spelling and word-choice differences between US English and UK English.

You will practice pairs such as:

color vs. colour
favorite vs. favourite
center vs. centre
theater vs. theatre
traveler vs. traveller
organize vs. organise
realize vs. realise
defense vs. defence
license vs. licence
practice vs. practise

Choose the spelling or word that fits the sentence. The answer key explains whether the answer is American English, British English, or a special noun/verb difference.

American vs. British English quiz at a glance

Skill	What you practice	Example
US spelling	standard American forms	color, center
UK spelling	standard British forms	colour, centre
verb endings	-ize vs. -ise patterns	organize vs. organise
noun/verb forms	different forms by grammar	license vs. licence

Quick rule:

For a US audience, use American spelling consistently.
For a UK audience, use British spelling consistently.
Do not mix styles in the same article, resume, or business document.

Quiz instructions

Choose the best answer for each sentence. Some questions ask for American English, and some ask for British English. Read the wording carefully before answering.

American vs. British English quiz

1. Color vs. colour

Which spelling is American English?

A. color B. colour

2. Favorite vs. favourite

Which spelling is British English?

A. favorite B. favourite

3. Center vs. centre

For a US business website, choose the correct spelling:

A. center B. centre

4. Theater vs. theatre

Which spelling is more common in American English?

A. theater B. theatre

5. Traveler vs. traveller

Which spelling is American English?

A. traveler B. traveller

6. Organize vs. organise

For standard American English, choose:

A. organize B. organise

7. Realize vs. realise

Which spelling is British English?

A. realize B. realise

8. Defense vs. defence

For American English, choose:

A. defense B. defence

9. License vs. licence

In American English, which spelling is used for both the noun and verb?

A. license B. licence

10. Practice vs. practise

In American English, which spelling is used for both the noun and verb?

A. practice B. practise

11. British noun form

In British English, the noun is usually:

A. license B. licence

12. British verb form

In British English, the verb is usually:

A. practice B. practise

13. US spelling in a sentence

The community _____ is open on weekends.

A. center B. centre

14. UK spelling in a sentence

Her _____ colour is blue.

A. favorite B. favourite

15. Consistency question

Which sentence keeps American spelling consistent?

A. The theater organized a special color display. B. The theatre organised a special color display.

Answer key with explanations

1. Color

Correct: color

Color is American English. Colour is British English.

2. Favourite

Correct: favourite

Favourite is British English. Favorite is American English.

3. Center

Correct: center

For a US business website, use center.

4. Theater

Correct: theater

Theater is more common in American English. Theatre is common in British English, though some US names still use theatre as a style choice.

5. Traveler

Correct: traveler

American English usually uses one l: traveler. British English usually uses two: traveller.

6. Organize

Correct: organize

American English uses organize. British English often uses organise, though organize can appear in Oxford-style British spelling.

7. Realise

Correct: realise

Realise is common in British English. Realize is American English and also appears in Oxford-style British spelling.

8. Defense

Correct: defense

Defense is American English. Defence is British English.

9. License

Correct: license

In American English, license is used as both a noun and a verb.

10. Practice

Correct: practice

In American English, practice is used as both a noun and a verb.

11. Licence

Correct: licence

In British English, licence is usually the noun, and license is the verb.

12. Practise

Correct: practise

In British English, practice is the noun, and practise is the verb.

13. Center

Correct: The community center is open on weekends.

For US English, use center.

14. Favourite

Correct: Her favourite colour is blue.

This sentence uses British spelling: favourite and colour.

15. The theater organized a special color display

Correct: The theater organized a special color display.

This sentence keeps American spelling consistent: theater, organized, and color.

Score guide

Score	Meaning
13–15 correct	Excellent US/UK spelling control
10–12 correct	Good, with a few differences to review
7–9 correct	Keep practicing common spelling pairs
0–6 correct	Review the answer key and try again

The main goal is consistency. US spelling and UK spelling can both be correct, but mixing them can look careless.

Common mistakes to watch for

Mistake 1: Mixing American and British spelling

Mixed:

The theatre organized a color program.

Consistent American:

The theater organized a color program.

Consistent British:

The theatre organised a colour programme.

Mistake 2: Thinking one version is always wrong

Both color and colour are correct. The right choice depends on audience and style.

Mistake 3: Forgetting noun/verb differences

In American English, license and practice are used for both noun and verb.

In British English:

licence = noun
license = verb
practice = noun
practise = verb

Mistake 4: Not matching the target audience

If your target audience is in the United States, American spelling is usually the safest choice.

Mistake 5: Relying only on spellcheck

Spellcheck may follow US or UK settings. Make sure your document language setting matches your target audience.

How to improve your score

Use this practice method:

Choose your target style: American or British.
List the words you missed.
Write the matching US and UK forms.
Create one sentence in each style.
Check consistency before publishing.

Example:

US: The theater is in the center of town.
UK: The theatre is in the centre of town.

Practicing in pairs makes spelling differences easier to remember.

Quick quiz

Try these five extra questions.

US spelling: The _____ of the room is bright.
UK spelling: The _____ of the room is bright.
US spelling: Please _____ your notes.
UK spelling: The driving _____ was renewed.
US spelling: She is a frequent _____.

Answers:

color
colour
organize
licence
traveler

FAQ

What is American vs. British English?

American and British English are major varieties of English with differences in spelling, vocabulary, punctuation, and sometimes grammar.

Is American spelling wrong in the UK?

It is not “wrong” globally, but it may look inconsistent or inappropriate in a document intended for a UK audience.

Is British spelling wrong in the US?

It is not wrong globally, but US readers usually expect American spelling in business, school, and website content.

Should I use color or colour?

Use color for American English and colour for British English.

Should I use organize or organise?

Use organize for American English. Use organise for common British spelling, unless following Oxford-style spelling.

What matters most in American vs. British spelling?

Consistency matters most. Choose one style and use it throughout the document.

If any question felt difficult, review the individual guides for One Word or Two Quiz and Spelling Confusions Quiz, then come back to the practice test. For a wider set of examples in this topic, use the Quizzes & Practice archive as the category grows.

Final tip

American and British spellings can both be correct. The key is choosing the version your audience expects.

For a US audience, prefer:

color
favorite
center
theater
traveler
organize
realize
defense

For a UK audience, prefer:

colour
favourite
centre
theatre
traveller
organise
realise
defence

Pick one style and stay consistent.