concentréesvsconcentrerWhich spelling fits?

Quick tell: concentrées is a adjective, concentrer is a verb, so they fill different roles in a sentence.

Which to use

“concentrées” is an adjective and “concentrer” is a verb - they look or sound alike but fill different roles in a sentence.

#25,942
“concentrées” frequency rank
#4,738
“concentrer” frequency rank
30680
confusion score

Side-by-Side Comparison

Feature concentrées concentrer
Definition Féminin pluriel de concentré. Réunir en un centre ce qui est dispersé.

Same sound, different letters: concentrées vs concentrer

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 9 letters. concentrées runs 11 letters (CVCCVCCCVVC) against concentrer's 10 (CVCCVCCCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
concentrées
10 ch
concentrer

Same sound, different spelling - concentrées / concentrer

Say them out loud and nothing separates them: concentrées and concentrer carry the same recorded pronunciation, \kɔ̃.sɑ̃.tʁe\. Grammar is what tells them apart: one is anadjective, the other averb, 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 30680, derived from the frequency rank of both members and their visual similarity.

concentrées is recorded at frequency rank #25,942, classified as anadj, pronounced \kɔ̃.sɑ̃.tʁe\. concentrer is at rank #4,738, tagged as averb, pronounced \kɔ̃.sɑ̃.tʁe\.

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 30680, this pair ranks #308,667 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of concentrées vs concentrer

Shared letters: cenort. Private to "concentrées": sé. Private to "concentrer": -.

"concentrées" · 11 letters · shape CVCCVCCCVVC  ·  "concentrer" · 10 letters · shape CVCCVCCCVC

Known mistypes of this pair

  • concentrer ← cconcentrer · cnocentrer · cocnentrer · conccentrer · concenntrer · concenrter · concenterr · concentrerr

Frequently Asked Questions

Is swapping "concentrées" for "concentrer" ever safe?
No - they are not even the same part of speech. "concentrées" is an adjective and "concentrer" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "concentrées" or "concentrer"?
"concentrer" is the more common of the two: it sits at frequency rank #4,738 in our French list, against #25,942 for "concentrées". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "concentrées" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "concentrer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #308,667 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "concentrées" and "concentrer" also get mixed up with nearby pairs, the highest-scored neighbour is "concentrées vs concentrons". 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 #308,667 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