empoisonnevsemprisonnerTell them apart

Which to use

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

#33,670
“empoisonne” frequency rank
#25,641
“emprisonner” frequency rank
59311
confusion score

Side-by-Side Comparison

Feature empoisonne emprisonner
Definition Première personne du singulier du présent de l’indicatif de empoisonner. Mettre en prison.

Where the eye mixes empoisonne and emprisonner

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. empoisonne runs 10 letters (VCCVVCVCCV) against emprisonner's 11 (VCCCVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
empoisonne
11 ch
emprisonner

Why the eye confuses empoisonne with emprisonner

A purely visual mix-up. empoisonne (\ɑ̃.pwa.zɔn\) and emprisonner (\ɑ̃.pʁi.zɔ.ne\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59311, derived from the frequency rank of both members and their visual similarity.

empoisonne is recorded at frequency rank #33,670, classified as averb, pronounced \ɑ̃.pwa.zɔn\. emprisonner is at rank #25,641, tagged as averb, pronounced \ɑ̃.pʁi.zɔ.ne\.

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 59311, this pair ranks #103,875 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of empoisonne vs emprisonner

Shared letters: eimnops. Private to "empoisonne": -. Private to "emprisonner": r.

"empoisonne" · 10 letters · shape VCCVVCVCCV  ·  "emprisonner" · 11 letters · shape VCCCVCVCCVC

Known mistypes of this pair

  • empoisonne ← emmpoisonne · emopisonne · empiosonne · empoiosnne · empoisnone · empoisone · empoisonen · empoissonne
  • emprisonner ← emmprisonner · empirsonner · empprisonner · empriosnner · emprisnoner · emprisonenr · emprisoner · emprisonnerr

Frequently Asked Questions

Is swapping "empoisonne" for "emprisonner" ever safe?
No. They are said differently (\ɑ̃.pwa.zɔn\ versus \ɑ̃.pʁi.zɔ.ne\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "empoisonne" or "emprisonner"?
"emprisonner" is the more common of the two: it sits at frequency rank #25,641 in our French list, against #33,670 for "empoisonne". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "empoisonne" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "emprisonner" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #103,875 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "empoisonne" and "emprisonner" also get mixed up with nearby pairs, the highest-scored neighbour is "empoisonne vs emprisonne". 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 #103,875 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