poisonsvsprisonsWhat's the difference?

Which to use

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

#29,912
“poisons” frequency rank
#7,355
“prisons” frequency rank
37267
confusion score

Side-by-Side Comparison

Feature poisons prisons
Definition Pluriel de poison. Pluriel de prison.

Where the eye mixes poisons and prisons

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. poisons (CVVCVCC) and prisons (CCVCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
poisons
7 ch
prisons

Visual trap between poisons and prisons

A purely visual mix-up. poisons (\pwa.zɔ̃\) and prisons (\pʁi.zɔ̃\) 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 a single letter - o in “poisons” becomes r in “prisons”. Our composite confusion score for this pair is 37267, derived from the frequency rank of both members and their visual similarity.

poisons is recorded at frequency rank #29,912, classified as anoun, pronounced \pwa.zɔ̃\. prisons is at rank #7,355, tagged as anoun, pronounced \pʁi.zɔ̃\.

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 37267, this pair ranks #263,686 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of poisons vs prisons

Shared letters: inops. Private to "poisons": -. Private to "prisons": r.

"poisons" · 7 letters · shape CVVCVCC  ·  "prisons" · 7 letters · shape CCVCVCC

Known mistypes of this pair

  • poisonsopisons · piosons · poiosns · poisnos · poisonns · poisonss · posions · ppoisons
  • prisonspirsons · pprisons · priosns · prisnos · prisonns · prisonss · prisosn · prissons

Frequently Asked Questions

Can "poisons" and "prisons" be used interchangeably?
No. They are said differently (\pwa.zɔ̃\ versus \pʁi.zɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "poisons" vs "prisons" - which ranks higher?
"prisons" is the more common of the two: it sits at frequency rank #7,355 in our French list, against #29,912 for "poisons". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "poisons" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prisons" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #263,686 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "poisons" and "prisons" also get mixed up with nearby pairs, the highest-scored neighbour is "poisons vs potions". 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 #263,686 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