Which to use
“piston” and “pistons” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,560
- “piston” frequency rank
- #28,291
- “pistons” frequency rank
- 46851
- confusion score
Side-by-Side Comparison
| Feature | piston | pistons |
|---|---|---|
| Definition | Cylindre mobile dans le corps d’une pompe, organe de machine constitué par une cloison, mobile entre deux fluides à des pressions différentes, et destiné à transmettre un effort moteur. | Pluriel de piston. |
Same sound, different letters: piston vs pistons
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 6 letters. piston runs 6 letters (CVCCVC) against pistons's 7 (CVCCVCC) - the length gap alone is often enough to separate them once you know to check it.
Same sound, different spelling - piston / pistons
This is the hard kind. piston and pistons are pronounced identically (\pis.tɔ̃\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “piston” sits inside “pistons”. Our composite confusion score for this pair is 46851, derived from the frequency rank of both members and their visual similarity.
piston is recorded at frequency rank #18,560, classified as anoun, pronounced \pis.tɔ̃\. pistons is at rank #28,291, tagged as anoun, pronounced \pis.tɔ̃\.
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 46851, this pair ranks #191,562 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of piston vs pistons
Shared letters: inopst. Private to "piston": -. Private to "pistons": -.
"piston" · 6 letters · shape CVCCVC · "pistons" · 7 letters · shape CVCCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "piston" and "pistons" mean the same thing in a sentence?
Which is more common, "piston" or "pistons"?
Useful next steps
You've separated the homophone pair "piston" / "pistons". Follow the links when you need the full entry or a neighbour that trips the same ear.
- Full dictionary entry for "piston" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pistons" - compare definitions side by side with the headword page. Word entry
- This pair ranks #191,562 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "piston" and "pistons" 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 #191,562 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.