piresvspucesConfusable pair

Quick tell: pires is a adjective, puces is a noun, so they fill different roles in a sentence.

Which to use

“pires” is an adjective and “puces” is a noun - they look or sound alike but fill different roles in a sentence.

#4,700
“pires” frequency rank
#12,648
“puces” frequency rank
17348
confusion score

Side-by-Side Comparison

Feature pires puces
Definition Pluriel de pire. Marché aux puces.

Where the eye mixes pires and puces

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
pires
5 ch
puces

Look-alike desk: pires vs puces

These two trip readers on the page rather than in the ear: pires is \piʁ\ while puces is \pys\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 17348, derived from the frequency rank of both members and their visual similarity.

pires is recorded at frequency rank #4,700, classified as anadj, pronounced \piʁ\. puces is at rank #12,648, tagged as anoun, pronounced \pys\.

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 17348, this pair ranks #383,625 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pires vs puces

Shared letters: eps. Private to "pires": ir. Private to "puces": cu.

"pires" · 5 letters · shape CVCVC  ·  "puces" · 5 letters · shape CVCVC

Known mistypes of this pair

  • piresipres · piers · piress · pirres · ppires
  • pucespcues · ppuces · pucces · pucess · pucse · puecs · upces

Frequently Asked Questions

Can "pires" and "puces" be used interchangeably?
No - they are not even the same part of speech. "pires" is an adjective and "puces" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "pires" or "puces" show up more?
"pires" is the more common of the two: it sits at frequency rank #4,700 in our French list, against #12,648 for "puces". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "pires" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "puces" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #383,625 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pires" and "puces" also get mixed up with nearby pairs, the highest-scored neighbour is "pètes vs puces". 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 #383,625 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