Which to use
“on” is a pronoun and “OUA” is a name - they look or sound alike but fill different roles in a sentence.
- #29
- “on” frequency rank
- #44,080
- “OUA” frequency rank
- 44109
- confusion score
Side-by-Side Comparison
| Feature | on | OUA |
|---|---|---|
| Definition | Pronom de la troisième personne du singulier. — Note d’usage : S’utilise pour désigner une ou des personnes indéfinies, en remplacement d’une forme passive. | Organisation de l'unité africaine : organisation inter-étatique, ayant précédé l’Union africaine. |
Where the eye mixes on and OUA
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between on and OUA
These two trip readers on the page rather than in the ear: on is \ɔ̃\ while OUA is \o.y.a\. 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 (pronoun vs name), which is usually the fastest check. Our composite confusion score for this pair is 44109, derived from the frequency rank of both members and their visual similarity.
on is recorded at frequency rank #29, classified as apron, pronounced \ɔ̃\. OUA is at rank #44,080, tagged as aname, pronounced \o.y.a\.
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 44109, this pair ranks #213,002 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of on vs OUA
Shared letters: o. Private to "on": n. Private to "OUA": au.
"on" · 2 letters · shape VC · "OUA" · 3 letters · shape VVV
Frequently Asked Questions
Is swapping "on" for "OUA" ever safe?
Which is more common, "on" or "OUA"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "on" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "OUA" - compare definitions side by side with the headword page. Word entry
- This pair ranks #213,002 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "on" and "OUA" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs OUA". Nearby pair
Confusion rank #213,002 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.