Many people search for “fulfils or fulfills” because English spelling rules can be confusing. Both spellings look correct, both appear in books and articles, and both are used by native speakers.
This makes writers unsure which one to use in emails, blogs, academic work, or professional documents.The confusion happens because English has two major spelling systems: British English and American English.
Each system follows its own rules for verbs that end in -l. Words like fulfil, cancel, travel, and enrol often change spelling depending on the country.So which one is correct: fulfils or fulfills?
The short answer is: both are correct, but they are used in different regions. This article explains the difference in simple words.
You will learn where each spelling comes from, how to choose the right one, common mistakes to avoid, and how to use each correctly in real-life writing. By the end, you will never be confused about fulfils vs fulfills again.
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Fulfils or Fulfills ; Quick Answer
Both spellings are correct.
- Fulfils → British English
- Fulfills → American English
Examples:
- The company fulfils all legal requirements. (UK)
- The company fulfills all legal requirements. (US)
👉 The meaning is exactly the same. Only the spelling changes.
What Does Fulfil / Fulfill Mean?
The verb fulfil / fulfill means:
- To complete something
- To meet expectations
- To satisfy a promise, need, or requirement
Simple examples:
- She fulfills her duties well.
- The job fulfils his dreams.
- The order was fulfilled on time.
The word always relates to completion or satisfaction.
The Origin of Fulfils or Fulfills

The word comes from Old English:
- full → complete
- fillan → to fill
Together, they formed fulfil, meaning to make complete.
Why two spellings exist
The spelling difference happened later when English split into:
- British English
- American English
American English, influenced by Noah Webster, simplified spelling rules. One of those changes involved double “L” endings.
That is why:
- British English keeps one L → fulfils
- American English uses double L → fulfills
British English vs American English Spelling
This difference follows a clear rule.
The rule:
- British English → Double the final L only if the stress is on the last syllable
- American English → Always double the final L
Comparison Table
| Version | Present | Past | -ing Form |
| British English | fulfils | fulfilled | fulfilling |
| American English | fulfills | fulfilled | fulfilling |
⚠️ Note:
Past and continuous forms often look the same, which adds to confusion.
Which Spelling Should You Use?
Choose based on your audience.
Use fulfills if:
- Your audience is in the United States
- You write for American blogs or companies
- You follow US style guides (APA, Chicago)
Use fulfils if:
- Your audience is in the UK
- You write for British or Commonwealth readers
- You follow UK style guides (Oxford, Cambridge)
For global audiences:
- Pick one style and stay consistent
- American English is more common online
Common Mistakes with Fulfils or Fulfills

Here are mistakes people often make:
❌ Mixing styles
- The company fulfills orders and fulfils promises.
✅ Correct:
- Use only one spelling style in the same text.
❌ Thinking one spelling is wrong
- “Fulfils is incorrect.”
✅ Correct:
- Both spellings are correct depending on region.
❌ Inconsistent documents
- Switching spellings in resumes or legal writing looks unprofessional.
✅ Tip:
- Choose one spelling and stick to it.
Fulfils or Fulfills in Everyday Examples
Emails
- The supplier fulfills all requests promptly. (US)
- The supplier fulfils all requests promptly. (UK)
Business Writing
- This policy fulfills legal requirements.
- This policy fulfils legal requirements.
News Articles
- The agreement fulfills international standards.
- The agreement fulfils international standards.
Social Media
- This job fulfills my goals.
- This role fulfils my purpose.
Academic Writing
- The study fulfills ethical guidelines.
- The study fulfils ethical guidelines.
Fulfils or Fulfills ; Google Trends & Usage Data
Search trends show:
- “fulfills” is searched more in:
- United States
- Canada
- United States
- “fulfils” is searched more in:
- United Kingdom
- Australia
- New Zealand
- United Kingdom
Online content favors American spelling, but British spelling remains strong in formal and academic writing.
Comparison Table: Fulfils vs Fulfills
| Feature | Fulfils | Fulfills |
| English Type | British | American |
| Meaning | Same | Same |
| Correct | Yes | Yes |
| Used in UK | ✅ | ❌ |
| Used in US | ❌ | ✅ |
| Professional use | Yes | Yes |
Related Words with Similar Spelling Differences
| British | American |
| fulfils | fulfills |
| cancelled | canceled |
| travelling | traveling |
| enrolment | enrollment |
| modelling | modeling |
Knowing this pattern helps avoid future mistakes.
FAQs
1. Is “fulfils” correct English?
Yes. It is correct in British English.
2. Is “fulfills” American English?
Yes. It follows American spelling rules.
3. Do they have different meanings?
No. Both mean the same thing.
4. Which spelling is better for SEO?
Use fulfills for US traffic and fulfils for UK traffic.
5. Can I use both spellings in one article?
No. Always stay consistent.
6. Which spelling is more common globally?
Fulfills is more common online.
7. Is fulfilled spelled the same everywhere?
Yes. Fulfilled is standard in both systems.
Conclusion
The debate over fulfils or fulfills is not about right or wrong. It is about location and style. Both spellings are correct, both are accepted, and both carry the same meaning. The key difference lies in British vs American English rules.
If you write for a UK or Commonwealth audience, fulfils is the better choice. If your audience is in the United States or you want wider global reach, fulfills is more common. What matters most is consistency. Mixing spellings in the same document can confuse readers and reduce credibility.
Once you understand this simple rule, spelling choices become easy. With this guide, you can confidently choose the right form every time and write clearly, professionally, and correctly.

Hello, I am Henry P. Whitmore, an English language scholar and grammar author known for my contributions to English grammar education. I am recognized for presenting complex grammatical rules in a clear, structured, and student-friendly manner, making my work valuable for learners, teachers, and non-native speakers of English.










