Which to use
“fondu” is an adjective and “fondus” is a verb - they look or sound alike but fill different roles in a sentence.
- #11,053
- “fondu” frequency rank
- #31,499
- “fondus” frequency rank
- 42552
- confusion score
Side-by-Side Comparison
| Feature | fondu | fondus |
|---|---|---|
| Definition | Liquéfié. | Participe passé masculin pluriel du verbe fondre. |
Same sound, different letters: fondu vs fondus
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 5 letters.
Homophone desk: fondu vs fondus
Say them out loud and nothing separates them: fondu and fondus carry the same recorded pronunciation, \fɔ̃.dy\. Grammar is what tells them apart: one is anadjective, the other averb, so most sentences will only accept one of them. They differ by 1 extra letter(s) - “fondu” sits inside “fondus”. Our composite confusion score for this pair is 42552, derived from the frequency rank of both members and their visual similarity.
fondu is recorded at frequency rank #11,053, classified as anadj, pronounced \fɔ̃.dy\. fondus is at rank #31,499, tagged as averb, pronounced \fɔ̃.dy\.
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 42552, this pair ranks #224,728 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fondu vs fondus
Shared letters: dfnou. Private to "fondu": -. Private to "fondus": s.
"fondu" · 5 letters · shape CVCCV · "fondus" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "fondu" for "fondus" ever safe?
In ordinary French text, does "fondu" or "fondus" show up more?
Useful next steps
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "fondu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fondus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #224,728 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fondu" and "fondus" also get mixed up with nearby pairs, the highest-scored neighbour is "fondeurs vs fondus". 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 #224,728 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.