Which to use
“jon” is a preposition and “jonc” is a noun - they look or sound alike but fill different roles in a sentence.
- #10,345
- “jon” frequency rank
- #41,850
- “jonc” frequency rank
- 52195
- confusion score
Side-by-Side Comparison
| Feature | jon | jonc |
|---|---|---|
| Definition | Par, sur, multiplié par, fois. | Nom donné à des plantes à tige droite et flexible, qui croissent ordinairement le long des eaux, ou même dans l’eau, et dont plusieurs espèces servaient à faire des liens, des nattes, des cannes, etc., du genre Juncus ou qui rappellent ce genre par leur apparence. |
Where the eye mixes jon and jonc
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: jon vs jonc
These two trip readers on the page rather than in the ear: jon is \ʒɔn\ while jonc is \ʒɔ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “jon” sits inside “jonc”, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 52195, derived from the frequency rank of both members and their visual similarity.
jon is recorded at frequency rank #10,345, classified as aprep, pronounced \ʒɔn\. jonc is at rank #41,850, tagged as anoun, pronounced \ʒɔ̃\.
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 52195, this pair ranks #149,421 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of jon vs jonc
Shared letters: jno. Private to "jon": -. Private to "jonc": c.
"jon" · 3 letters · shape CVC · "jonc" · 4 letters · shape CVCC
Known mistypes of this pair
- jonc ← jjonc · jnoc · jocn · joncc · jonnc · ojnc
Frequently Asked Questions
Is swapping "jon" for "jonc" ever safe?
In ordinary French text, does "jon" or "jonc" show up more?
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 "jon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "jonc" - compare definitions side by side with the headword page. Word entry
- This pair ranks #149,421 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "jon" and "jonc" also get mixed up with nearby pairs, the highest-scored neighbour is "jonc vs jor". 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 #149,421 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.