Which to use
“pistons” and “poisons” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,291
- “pistons” frequency rank
- #29,912
- “poisons” frequency rank
- 58203
- confusion score
Side-by-Side Comparison
| Feature | pistons | poisons |
|---|---|---|
| Definition | Pluriel de piston. | Pluriel de poison. |
Where the eye mixes pistons and poisons
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. pistons (CVCCVCC) and poisons (CVVCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses pistons with poisons
A purely visual mix-up. pistons (\pis.tɔ̃\) and poisons (\pwa.zɔ̃\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 58203, derived from the frequency rank of both members and their visual similarity.
pistons is recorded at frequency rank #28,291, classified as anoun, pronounced \pis.tɔ̃\. poisons is at rank #29,912, tagged as anoun, pronounced \pwa.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 58203, this pair ranks #110,436 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of pistons vs poisons
Shared letters: inops. Private to "pistons": t. Private to "poisons": -.
"pistons" · 7 letters · shape CVCCVCC · "poisons" · 7 letters · shape CVVCVCC
Known mistypes of this pair
Frequently Asked Questions
Can "pistons" and "poisons" be used interchangeably?
Which is more common, "pistons" or "poisons"?
Useful next steps
Eye-level mix-up between "pistons" and "poisons" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "pistons" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "poisons" - compare definitions side by side with the headword page. Word entry
- This pair ranks #110,436 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "pistons" and "poisons" also get mixed up with nearby pairs, the highest-scored neighbour is "pistoles vs pistons". 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 #110,436 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.