poisonvsPoissyConfusable pair

Quick tell: poison is a noun, Poissy is a name, so they fill different roles in a sentence.

Which to use

“poison” is a noun and “Poissy” is a name - they look or sound alike but fill different roles in a sentence.

#9,216
“poison” frequency rank
#23,980
“Poissy” frequency rank
33196
confusion score

Side-by-Side Comparison

Feature poison Poissy
Definition Substance qui, introduite dans l’organisme, altère ou même détruit les fonctions vitales. Commune française, située dans le département des Yvelines.

Where the eye mixes poison and Poissy

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. poison (CVVCVC) and Poissy (CVVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
poison
6 ch
Poissy

Visual trap between poison and Poissy

These two trip readers on the page rather than in the ear: poison is \pwa.zɔ̃\ while Poissy is \pwa.si\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 33196, 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\. Poissy is at rank #23,980, tagged as aname, pronounced \pwa.si\.

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 33196, this pair ranks #292,242 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of poison vs Poissy

Shared letters: iops. Private to "poison": n. Private to "Poissy": y.

"poison" · 6 letters · shape CVVCVC  ·  "Poissy" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • poison ← opison · pioson · poiosn · poisno · poisonn · posion · ppoison
  • Poissy ← opissy · piossy · poissyy · poisy · poisys · posisy · ppoissy

Frequently Asked Questions

Do "poison" and "Poissy" mean the same thing in a sentence?
No - they are not even the same part of speech. "poison" is a noun and "Poissy" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "poison" or "Poissy"?
"poison" is the more common of the two: it sits at frequency rank #9,216 in our French list, against #23,980 for "Poissy". 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 "poison" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Poissy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #292,242 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "poison" and "Poissy" 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 #292,242 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