Which to use
“œuf” is a noun and “un” is an adjective - they look or sound alike but fill different roles in a sentence.
- #7,512
- “œuf” frequency rank
- #12
- “un” frequency rank
- 7524
- confusion score
Side-by-Side Comparison
| Feature | œuf | un |
|---|---|---|
| Definition | Structure reproductrice produite par les animaux ovipares (oiseaux, reptiles, amphibiens, insectes, etc.) ou par d’autres animaux, formée dans les ovaires ou les oviductes, et comprenant un zygote ou un embryon en développement entouré de réserves nutritives (vitellus) et d’enveloppes protectrices. Elle permet le développement de l’embryon à l’extérieur du corps de la mère ou dans l’environnement. | Marque l’unité, le fait qu’une personne ou une chose est seule, unique en son espèce. |
Where the eye mixes œuf and un
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. œuf runs 3 letters (VVC) against un's 2 (VC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between œuf and un
These two trip readers on the page rather than in the ear: œuf is \œf\ while un is \œ̃\. 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 7524, derived from the frequency rank of both members and their visual similarity.
œuf is recorded at frequency rank #7,512, classified as anoun, pronounced \œf\. un is at rank #12, tagged as anadj, pronounced \œ̃\.
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 7524, this pair ranks #422,912 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of œuf vs un
Shared letters: u. Private to "œuf": fœ. Private to "un": n.
"œuf" · 3 letters · shape VVC · "un" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "œuf" for "un" ever safe?
Which is more common, "œuf" or "un"?
Useful next steps
Eye-level mix-up between "œuf" and "un" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "œuf" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "un" - compare definitions side by side with the headword page. Word entry
- This pair ranks #422,912 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "œuf" and "un" also get mixed up with nearby pairs, the highest-scored neighbour is "Ubu vs œuf". Nearby pair
Confusion rank #422,912 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.