poisonvspoissonsWhich spelling fits?

Which to use

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

#9,216
“poison” frequency rank
#2,947
“poissons” frequency rank
12163
confusion score

Side-by-Side Comparison

Feature poison poissons
Definition Substance qui, introduite dans l’organisme, altère ou même détruit les fonctions vitales. Pluriel de poisson.

Where the eye mixes poison and poissons

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. poison runs 6 letters (CVVCVC) against poissons's 8 (CVVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
poison
8 ch
poissons

Look-alike desk: poison vs poissons

A purely visual mix-up. poison (\pwa.zɔ̃\) and poissons (\pwa.sɔ̃\) 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 2 letter(s) in length. Our composite confusion score for this pair is 12163, derived from the frequency rank of both members and their visual similarity.

poison is recorded at frequency rank #9,216, classified as anoun, pronounced \pwa.zɔ̃\. poissons is at rank #2,947, tagged as anoun, pronounced \pwa.sɔ̃\.

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 12163, this pair ranks #406,334 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of poison vs poissons

Shared letters: inops. Private to "poison": -. Private to "poissons": -.

"poison" · 6 letters · shape CVVCVC  ·  "poissons" · 8 letters · shape CVVCCVCC

Known mistypes of this pair

  • poisonopison · pioson · poiosn · poisno · poisonn · posion · ppoison
  • poissonsopissons · piossons · poisosns · poissnos · poissonns · poissonss · poissosn · posisons

Frequently Asked Questions

Is swapping "poison" for "poissons" ever safe?
No. They are said differently (\pwa.zɔ̃\ versus \pwa.sɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "poison" vs "poissons" - which ranks higher?
"poissons" is the more common of the two: it sits at frequency rank #2,947 in our French list, against #9,216 for "poison". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "poison" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "poissons" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #406,334 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "poison" and "poissons" also get mixed up with nearby pairs, the highest-scored neighbour is "pinson vs poison". 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 #406,334 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