moultvsmousTell them apart

Quick tell: moult is a adverb, mous is an adjective, so they fill different roles in a sentence.

Which to use

“moult” is an adverb and “mous” is an adjective - they look or sound alike but fill different roles in a sentence.

#22,008
“moult” frequency rank
#21,092
“mous” frequency rank
43100
confusion score

Side-by-Side Comparison

Feature moult mous
Definition et ou Beaucoup. Note d’usage : Attaché à un verbe. Masculin pluriel de mou.

Same sound, different letters: moult vs mous

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 3 letters.

5 ch
moult
4 ch
mous

Homophone desk: moult vs mous

Say them out loud and nothing separates them: moult and mous carry the same recorded pronunciation, \mu\. Grammar is what tells them apart: one is anadverb, the other anadjective, so most sentences will only accept one of them. They differ by 1 letter(s) in length. Our composite confusion score for this pair is 43100, derived from the frequency rank of both members and their visual similarity.

moult is recorded at frequency rank #22,008, classified as anadv, pronounced \mu\. mous is at rank #21,092, tagged as anadj, pronounced \mu\.

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 43100, this pair ranks #220,608 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of moult vs mous

Shared letters: mou. Private to "moult": lt. Private to "mous": s.

"moult" · 5 letters · shape CVVCC  ·  "mous" · 4 letters · shape CVVC

Known mistypes of this pair

  • moultmmoult · molut · moullt · moultt · moutl · muolt · omult
  • mousmmous · mosu · mouss · muos · omus

Frequently Asked Questions

Is swapping "moult" for "mous" ever safe?
No - they are not even the same part of speech. "moult" is an adverb and "mous" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "moult" or "mous" show up more?
"mous" is the more common of the two: it sits at frequency rank #21,092 in our French list, against #22,008 for "moult". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "moult" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mous" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #220,608 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "moult" and "mous" also get mixed up with nearby pairs, the highest-scored neighbour is "mous vs mud". 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 #220,608 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