Which to use
“urée” is a noun and “usées” is an adjective - they look or sound alike but fill different roles in a sentence.
- #48,849
- “urée” frequency rank
- #14,380
- “usées” frequency rank
- 63229
- confusion score
Side-by-Side Comparison
| Feature | urée | usées |
|---|---|---|
| Definition | Substance cristallisable, incolore, de formule chimique COH₄N₂, dont la présence caractérise l’urine de la plupart des animaux dont l’homme. | Féminin pluriel de usé. |
Where the eye mixes urée and usées
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. urée runs 4 letters (VCVV) against usées's 5 (VCVVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between urée and usées
These two trip readers on the page rather than in the ear: urée is \y.ʁe\ while usées is \y.ze\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 63229, derived from the frequency rank of both members and their visual similarity.
urée is recorded at frequency rank #48,849, classified as anoun, pronounced \y.ʁe\. usées is at rank #14,380, tagged as anadj, pronounced \y.ze\.
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 63229, this pair ranks #83,084 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of urée vs usées
Shared letters: eué. Private to "urée": r. Private to "usées": s.
"urée" · 4 letters · shape VCVV · "usées" · 5 letters · shape VCVVC
Frequently Asked Questions
Can "urée" and "usées" be used interchangeably?
Which is more common, "urée" or "usées"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "urée" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "usées" - compare definitions side by side with the headword page. Word entry
- This pair ranks #83,084 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "urée" and "usées" also get mixed up with nearby pairs, the highest-scored neighbour is "urée vs urètre". Nearby pair
Confusion rank #83,084 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.