Which to use
“on” is a pronoun and “orne” is a noun - they look or sound alike but fill different roles in a sentence.
- #29
- “on” frequency rank
- #15,703
- “orne” frequency rank
- 15732
- confusion score
Side-by-Side Comparison
| Feature | on | orne |
|---|---|---|
| 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. | Petit arbre qui ressemble beaucoup au frêne commun, le frêne à fleurs. |
Where the eye mixes on and orne
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses on with orne
These two trip readers on the page rather than in the ear: on is \ɔ̃\ while orne is \ɔʁn\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 15732, derived from the frequency rank of both members and their visual similarity.
on is recorded at frequency rank #29, classified as apron, pronounced \ɔ̃\. orne is at rank #15,703, tagged as anoun, pronounced \ɔʁn\.
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 15732, this pair ranks #391,070 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of on vs orne
Shared letters: no. Private to "on": -. Private to "orne": er.
"on" · 2 letters · shape VC · "orne" · 4 letters · shape VCCV
Known mistypes of this pair
- orne ← onre · oren · ornne · orrne · rone
Frequently Asked Questions
Is swapping "on" for "orne" ever safe?
Frequency check: "on" vs "orne" - which ranks higher?
After this comparison
Eye-level mix-up between "on" and "orne" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "on" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "orne" - compare definitions side by side with the headword page. Word entry
- This pair ranks #391,070 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "on" and "orne" also get mixed up with nearby pairs, the highest-scored neighbour is "orne vs OSCE". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #391,070 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.