péchervspenserWhat's the difference?

Which to use

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

#37,988
“pécher” frequency rank
#694
“penser” frequency rank
38682
confusion score

Side-by-Side Comparison

Feature pécher penser
Definition Transgresser la loi divine ou religieuse. Exercer l’activité de l’esprit ; accomplir quelque opération de l’intelligence ; concevoir ; imaginer ; réfléchir.

Where the eye mixes pécher and penser

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

6 ch
pécher
6 ch
penser

Visual trap between pécher and penser

A purely visual mix-up. pécher (\pe.ʃe\) and penser (\pɑ̃.se\) 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 3 positions. Our composite confusion score for this pair is 38682, 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\. penser is at rank #694, tagged as averb, pronounced \pɑ̃.se\.

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 38682, this pair ranks #253,560 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pécher vs penser

Shared letters: epr. Private to "pécher": ché. Private to "penser": ns.

"pécher" · 6 letters · shape CVCCVC  ·  "penser" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • penserepnser · penesr · pennser · penserr · pensre · pensser · pesner · pneser

Frequently Asked Questions

Do "pécher" and "penser" mean the same thing in a sentence?
No. They are said differently (\pe.ʃe\ versus \pɑ̃.se\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "pécher" or "penser"?
"penser" is the more common of the two: it sits at frequency rank #694 in our French list, against #37,988 for "pécher". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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 "penser" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #253,560 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pécher" and "penser" also get mixed up with nearby pairs, the highest-scored neighbour is "pécher vs peler". 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 #253,560 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