English UsageComparison guide
Woolen vs. Woollen
“Woolen” and “woollen” are regional spelling variants. American English normally uses “woolen,” while British English normally uses “woollen.”
Use “woolen” in U.S. English and “woollen” in British English, unless a house style specifies otherwise.
Key details
Confusion Familyregional spelling
Rule Familyregional-usage
TermsWoolen, Woollen
Further guidance
Core difference
The spelling choice is regional; the meaning is the same.
Usage Boundary
Keep the regional spelling convention consistent throughout the same piece of writing.
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.
- Woolen — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · US spelling evidence for woolen
- Woollen — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · Regional spelling evidence for woollen/woolen