prouvsproutTell them apart

Quick tell: prou is a adverb, prout is an onomatopoeia, so they fill different roles in a sentence.

Which to use

“prou” is an adverb and “prout” is an onomatopoeia - they look or sound alike but fill different roles in a sentence.

#27,198
“prou” frequency rank
#31,662
“prout” frequency rank
58860
confusion score

Side-by-Side Comparison

Feature prou prout
Definition Assez, beaucoup. Son du pet.

Where the eye mixes prou and prout

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
prou
5 ch
prout

Why the eye confuses prou with prout

These two trip readers on the page rather than in the ear: prou is \pʁu\ while prout is \pʁut\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “prou” sits inside “prout”, and the parts of speech differ too (adverb vs onomatopoeia), which is usually the fastest check. Our composite confusion score for this pair is 58860, derived from the frequency rank of both members and their visual similarity.

prou is recorded at frequency rank #27,198, classified as anadv, pronounced \pʁu\. prout is at rank #31,662, tagged as anonomatopoeia, pronounced \pʁut\.

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 58860, this pair ranks #106,469 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of prou vs prout

Shared letters: opru. Private to "prou": -. Private to "prout": t.

"prou" · 4 letters · shape CCVV  ·  "prout" · 5 letters · shape CCVVC

Known mistypes of this pair

  • proupprou · prrou · pruo · rpou
  • proutporut · pprout · protu · proutt · prrout · pruot · rpout

Frequently Asked Questions

Is swapping "prou" for "prout" ever safe?
No - they are not even the same part of speech. "prou" is an adverb and "prout" an onomatopoeia, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "prou" or "prout"?
"prou" is the more common of the two: it sits at frequency rank #27,198 in our French list, against #31,662 for "prout". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "prou" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prout" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #106,469 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "prou" and "prout" also get mixed up with nearby pairs, the highest-scored neighbour is "proud vs prout". 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 #106,469 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