piècevsPiréeWhat's the difference?

Quick tell: pièce is a noun, Pirée is a name, so they fill different roles in a sentence.

Which to use

“pièce” is a noun and “Pirée” is a name - they look or sound alike but fill different roles in a sentence.

#852
“pièce” frequency rank
#41,453
“Pirée” frequency rank
42305
confusion score

Side-by-Side Comparison

Feature pièce Pirée
Definition Chacun des éléments d’un ensemble défini. → voir pièce détachée, de toutes pièces, juger sur pièces, pièce à pièce et pièce par pièce Variante de Le Pirée.

Where the eye mixes pièce and Pirée

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

5 ch
pièce
5 ch
Pirée

Look-alike desk: pièce vs Pirée

These two trip readers on the page rather than in the ear: pièce is \pjɛs\ while Pirée is \pi.ʁe\. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 42305, derived from the frequency rank of both members and their visual similarity.

pièce is recorded at frequency rank #852, classified as anoun, pronounced \pjɛs\. Pirée is at rank #41,453, tagged as aname, pronounced \pi.ʁe\.

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 42305, this pair ranks #226,616 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pièce vs Pirée

Shared letters: eip. Private to "pièce": . Private to "Pirée": .

"pièce" · 5 letters · shape CVVCV  ·  "Pirée" · 5 letters · shape CVCVV

Frequently Asked Questions

Do "pièce" and "Pirée" mean the same thing in a sentence?
No - they are not even the same part of speech. "pièce" is a noun and "Pirée" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "pièce" or "Pirée" show up more?
"pièce" is the more common of the two: it sits at frequency rank #852 in our French list, against #41,453 for "Pirée". 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 "pièce" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Pirée" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #226,616 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pièce" and "Pirée" also get mixed up with nearby pairs, the highest-scored neighbour is "Pirée vs prep". Nearby pair

Confusion rank #226,616 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