English UsageComparison guide
Cancelable vs. Cancellable
“Cancelable” and “cancellable” are both documented spellings. Cambridge marks “cancelable” as the usual U.S. form and “cancellable” as the British form, while noting U.S. preference for “cancelable.”
Both are correct regional variants: U.S. English usually prefers “cancelable,” while British English uses “cancellable.”
Key details
Confusion Familyregional spelling
Rule Familyregional-usage
TermsCancelable, Cancellable
Further guidance
Core difference
The forms differ chiefly by regional spelling convention, not meaning.
Usage Boundary
Use the spelling expected by the document’s regional or house style and keep it consistent.
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.
- Cancelable — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · US spelling evidence for cancelable
- Cancellable — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · UK/US spelling evidence for cancellable/cancelable