Which to use
“pistons” and “prisons” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,291
- “pistons” frequency rank
- #7,355
- “prisons” frequency rank
- 35646
- confusion score
Side-by-Side Comparison
| Feature | pistons | prisons |
|---|---|---|
| Definition | Pluriel de piston. | Pluriel de prison. |
Where the eye mixes pistons and prisons
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Look-alike desk: pistons vs prisons
A purely visual mix-up. pistons (\pis.tɔ̃\) and prisons (\pʁi.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 35646, 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\. prisons is at rank #7,355, tagged as anoun, pronounced \pʁi.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 35646, this pair ranks #275,241 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of pistons vs prisons
Shared letters: inops. Private to "pistons": t. Private to "prisons": r.
"pistons" · 7 letters · shape CVCCVCC · "prisons" · 7 letters · shape CCVCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "pistons" and "prisons" mean the same thing in a sentence?
Frequency check: "pistons" vs "prisons" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pistons" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prisons" - compare definitions side by side with the headword page. Word entry
- This pair ranks #275,241 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "pistons" and "prisons" 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 #275,241 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.