péchervspécheurWhat's the difference?

Quick tell: pécher is a verb, pécheur is an adjective, so they fill different roles in a sentence.

Which to use

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

#37,988
“pécher” frequency rank
#27,923
“pécheur” frequency rank
65911
confusion score

Side-by-Side Comparison

Feature pécher pécheur
Definition Transgresser la loi divine ou religieuse. Qui pèche, commet des péchés, et par exemple transgresse une loi morale ou religieuse.

Where the eye mixes pécher and pécheur

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
pécher
7 ch
pécheur

Look-alike desk: pécher vs pécheur

These two trip readers on the page rather than in the ear: pécher is \pe.ʃe\ while pécheur is \pe.ʃœʁ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 65911, derived from the frequency rank of both members and their visual similarity.

pécher is recorded at frequency rank #37,988, classified as averb, pronounced \pe.ʃe\. pécheur is at rank #27,923, tagged as anadj, pronounced \pe.ʃœʁ\.

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 65911, this pair ranks #70,210 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of pécher vs pécheur

Shared letters: cehpré. Private to "pécher": -. Private to "pécheur": u.

"pécher" · 6 letters · shape CVCCVC  ·  "pécheur" · 7 letters · shape CVCCVVC

Frequently Asked Questions

Is swapping "pécher" for "pécheur" ever safe?
No - they are not even the same part of speech. "pécher" is a verb and "pécheur" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pécher" or "pécheur"?
"pécheur" is the more common of the two: it sits at frequency rank #27,923 in our French list, against #37,988 for "pécher". 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 "pécher" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pécheur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,210 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pécher" and "pécheur" also get mixed up with nearby pairs, the highest-scored neighbour is "pécher vs peler". Nearby pair

Confusion rank #70,210 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