fonduevsfondusWhat's the difference?

Quick tell: fondue is a noun, fondus is a verb, so they fill different roles in a sentence.

Which to use

“fondue” is a noun and “fondus” is a verb - they look or sound alike but fill different roles in a sentence.

#17,956
“fondue” frequency rank
#31,499
“fondus” frequency rank
49455
confusion score

Side-by-Side Comparison

Feature fondue fondus
Definition Mets à base de fromage fondu dans lequel on trempe des morceaux de pain. Participe passé masculin pluriel du verbe fondre.

Same sound, different letters: fondue vs fondus

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 5 letters. fondue (CVCCVV) and fondus (CVCCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
fondue
6 ch
fondus

Ear matches; page differs - fondue and fondus

Say them out loud and nothing separates them: fondue and fondus carry the same recorded pronunciation, \fɔ̃.dy\. Grammar is what tells them apart: one is anoun, the other averb, so most sentences will only accept one of them. They differ by a single letter - e in “fondue” becomes s in “fondus”. Our composite confusion score for this pair is 49455, derived from the frequency rank of both members and their visual similarity.

fondue is recorded at frequency rank #17,956, classified as anoun, 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 49455, this pair ranks #170,526 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fondue vs fondus

Shared letters: dfnou. Private to "fondue": e. Private to "fondus": s.

"fondue" · 6 letters · shape CVCCVV  ·  "fondus" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • fondue ← ffondue · fnodue · fodnue · fonddue · fondeu · fonndue · fonude · ofndue
  • fondus ← ffondus · fnodus · fodnus · fonddus · fondsu · fonduss · fonndus · fonuds

Frequently Asked Questions

Can "fondue" and "fondus" be used interchangeably?
No - they are not even the same part of speech. "fondue" is a noun and "fondus" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fondue" vs "fondus" - which ranks higher?
"fondue" is the more common of the two: it sits at frequency rank #17,956 in our French list, against #31,499 for "fondus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

"fondue" and "fondus" share a sound, keep the gloss open, then jump to the headword or a nearby trap.

  • Full dictionary entry for "fondue" 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 #170,526 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fondue" 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 #170,526 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