Which to use
“épaisseur” and “épaisseurs” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,455
- “épaisseur” frequency rank
- #37,617
- “épaisseurs” frequency rank
- 44072
- confusion score
Side-by-Side Comparison
| Feature | épaisseur | épaisseurs |
|---|---|---|
| Definition | Qualité de ce qui est épais. | Pluriel de épaisseur. |
Same sound, different letters: épaisseur vs épaisseurs
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 9 letters. épaisseur runs 9 letters (VCVVCCVVC) against épaisseurs's 10 (VCVVCCVVCC) - the length gap alone is often enough to separate them once you know to check it.
Ear matches; page differs - épaisseur and épaisseurs
This is the hard kind. épaisseur and épaisseurs are pronounced identically (\e.pɛ.sœʁ\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “épaisseur” sits inside “épaisseurs”. Our composite confusion score for this pair is 44072, derived from the frequency rank of both members and their visual similarity.
épaisseur is recorded at frequency rank #6,455, classified as anoun, pronounced \e.pɛ.sœʁ\. épaisseurs is at rank #37,617, tagged as anoun, pronounced \e.pɛ.sœʁ\.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 44072, this pair ranks #213,274 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of épaisseur vs épaisseurs
Shared letters: aeiprsué. Private to "épaisseur": -. Private to "épaisseurs": -.
"épaisseur" · 9 letters · shape VCVVCCVVC · "épaisseurs" · 10 letters · shape VCVVCCVVCC
Frequently Asked Questions
Is swapping "épaisseur" for "épaisseurs" ever safe?
Frequency check: "épaisseur" vs "épaisseurs" - which ranks higher?
Useful next steps
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "épaisseur" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "épaisseurs" - compare definitions side by side with the headword page. Word entry
- This pair ranks #213,274 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "épaisseur" and "épaisseurs" also get mixed up with nearby pairs, the highest-scored neighbour is "épaisses vs épaisseurs". Nearby pair
Confusion rank #213,274 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.