moudrevsmousseWhat's the difference?

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

Which to use

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

#32,919
“moudre” frequency rank
#8,892
“mousse” frequency rank
41811
confusion score

Side-by-Side Comparison

Feature moudre mousse
Definition Mettre en poudre au moyen d’un moulin. Plante rase des lieux humides formant des tapis spongieux composés de plusieurs individus.

Where the eye mixes moudre and mousse

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. moudre and mousse follow the identical consonant-vowel pattern (CVVCCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
moudre
6 ch
mousse

Why the eye confuses moudre with mousse

These two trip readers on the page rather than in the ear: moudre is \mudʁ\ while mousse is \mus\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 41811, derived from the frequency rank of both members and their visual similarity.

moudre is recorded at frequency rank #32,919, classified as averb, pronounced \mudʁ\. mousse is at rank #8,892, tagged as anoun, pronounced \mus\.

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 41811, this pair ranks #230,322 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of moudre vs mousse

Shared letters: emou. Private to "moudre": dr. Private to "mousse": s.

"moudre" · 6 letters · shape CVVCCV  ·  "mousse" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • moudre ← mmoudre · modure · mouddre · mouder · moudrre · mourde · muodre · omudre
  • mousse ← mmousse · mosuse · mouses · muosse · omusse

Frequently Asked Questions

Can "moudre" and "mousse" be used interchangeably?
No - they are not even the same part of speech. "moudre" is a verb and "mousse" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "moudre" or "mousse" show up more?
"mousse" is the more common of the two: it sits at frequency rank #8,892 in our French list, against #32,919 for "moudre". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "moudre" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mousse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #230,322 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "moudre" and "mousse" also get mixed up with nearby pairs, the highest-scored neighbour is "mordue vs moudre". 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 #230,322 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