percevspièceTell them apart

Which to use

“perce” and “pièce” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#18,016
“perce” frequency rank
#852
“pièce” frequency rank
18868
confusion score

Side-by-Side Comparison

Feature perce pièce
Definition Outil pour percer. Chacun des éléments d’un ensemble défini. → voir pièce détachée, de toutes pièces, juger sur pièces, pièce à pièce et pièce par pièce

Where the eye mixes perce and pièce

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

5 ch
perce
5 ch
pièce

Look-alike desk: perce vs pièce

A purely visual mix-up. perce (\pɛʁs\) and pièce (\pjɛs\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 18868, derived from the frequency rank of both members and their visual similarity.

perce is recorded at frequency rank #18,016, classified as anoun, pronounced \pɛʁs\. pièce is at rank #852, tagged as anoun, pronounced \pjɛs\.

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 18868, this pair ranks #376,185 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of perce vs pièce

Shared letters: cep. Private to "perce": r. Private to "pièce": .

"perce" · 5 letters · shape CVCCV  ·  "pièce" · 5 letters · shape CVVCV

Known mistypes of this pair

  • perceeprce · pecre · percce · perec · perrce · pperce · prece

Frequently Asked Questions

Is swapping "perce" for "pièce" ever safe?
No. They are said differently (\pɛʁs\ versus \pjɛs\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "perce" or "pièce"?
"pièce" is the more common of the two: it sits at frequency rank #852 in our French list, against #18,016 for "perce". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "perce" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pièce" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #376,185 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "perce" and "pièce" also get mixed up with nearby pairs, the highest-scored neighbour is "perce vs perfs". 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 #376,185 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