Fulfillment vs. Fulfilment
Cambridge marks “fulfilment” as mainly UK and notes that US English usually uses “fulfillment.” The guide treats the choice as a documented variant boundary rather than assuming that one form is universally incorrect.
Both are standard; “fulfillment” is usual in US English and “fulfilment” is mainly UK.
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| ordinary US noun spelling | fulfillment | Use “fulfillment” in US English. |
| mainly UK noun spelling | fulfilment | Use “fulfilment” in UK-oriented English. |
| official name or quotation | preserve original spelling | Fidelity can override the house preference. |
Quick tests
Meaning / construction test
Are you choosing the ordinary noun spelling for a regional variety?
If yes: Use “fulfillment” in US English and “fulfilment” in mainly UK usage.
If no: Preserve the established spelling in official names and quotations.
Caveat: The noun meaning is the same; the difference is regional spelling preference.
Examples
Order fulfillment begins after payment clears.
“Fulfillment” is the usual US spelling.
The charity focuses on personal fulfilment and wellbeing.
“Fulfilment” is mainly UK.
The quotation retains “fulfilment” exactly as published.
Quoted wording should not be silently normalized.
Further guidance
Core difference
The noun meaning is the same across these spellings.
Style Boundary
Match the spelling to regional or house style, while preserving official names and quotations.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Fulfilment — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · Fulfilment as mainly UK spelling and fulfillment as usual US spelling