poisson vs poissons, What's the Difference?

Which to use

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

#2,589
“poisson” frequency rank: #2,947
“poissons” frequency rank: 5536
confusion score

Side-by-Side Comparison

Feature	poisson	poissons
Definition	Animal possédant un squelette, généralement ovipare (mais parfois ovovivipare ou vivipare), vivant dans l’eau, et respirant généralement par des branchies (bien que certaines espèces aient des systèmes de respiration aérienne complémentaire, comme les poumons des dipneustes ou le labyrinthe des anabantidés).	Pluriel de poisson.

Where the spellings diverge

Shared letters are muted; the letters that actually set poisson and poissons apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

7 ch

poisson

8 ch

poissons

Spelling & Dictionary Insight

poisson and poissons form a confusable pair in the French index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 extra letter(s) - “poisson” sits inside “poissons” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 5536, derived from the frequency rank of both members and their visual similarity.

poisson is recorded at frequency rank #2,589, classified as anoun, pronounced \pwa.sɔ̃\. 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 5536, this pair ranks #428,741 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

poisson#2,589

poissons#2,947

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "poisson" and "poissons" be used interchangeably?

No, "poisson" and "poissons" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering poisson vs poissons

The fastest way to pick the right one every time.

Read both glosses above and match the meaning you intend, only context separates this pair.
See each word in full, definition, IPA, etymology and its other confusables. Full “poisson” entry
Browse more pairs most likely to be confused. Most confusable