umavsunTell them apart

Quick tell: uma is a noun, un is an adjective, so they fill different roles in a sentence.

Which to use

“uma” is a noun and “un” is an adjective - they look or sound alike but fill different roles in a sentence.

#38,088
“uma” frequency rank
#12
“un” frequency rank
38100
confusion score

Side-by-Side Comparison

Feature uma un
Definition Genre de sauriens de la famille des Phrynosomatidae. Marque l’unité, le fait qu’une personne ou une chose est seule, unique en son espèce.

Where the eye mixes uma and un

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
uma
2 ch
un

Visual trap between uma and un

These two trip readers on the page rather than in the ear: uma is \y.ma\ 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 38100, derived from the frequency rank of both members and their visual similarity.

uma is recorded at frequency rank #38,088, classified as anoun, pronounced \y.ma\. 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 38100, this pair ranks #257,678 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of uma vs un

Shared letters: u. Private to "uma": am. Private to "un": n.

"uma" · 3 letters · shape VCV  ·  "un" · 2 letters · shape VC

Frequently Asked Questions

Can "uma" and "un" be used interchangeably?
No - they are not even the same part of speech. "uma" is a noun and "un" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "uma" or "un" show up more?
"un" is the more common of the two: it sits at frequency rank #12 in our French list, against #38,088 for "uma". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "uma" 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 #257,678 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "uma" and "un" also get mixed up with nearby pairs, the highest-scored neighbour is "Ubu vs uma". Nearby pair

Confusion rank #257,678 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list