Which to use
“pistón” and “prison” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #37,787
- “pistón” frequency rank
- #37,800
- “prison” frequency rank
- 75587
- confusion score
Side-by-Side Comparison
| Feature | pistón | prison |
|---|---|---|
| Definition | En un motor de combustión, parte móvil del cilindro que transmite la energía de los gases de combustión al cigüeñal mediante un movimiento alternado. | Prisión. |
Where the eye mixes pistón and prison
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: pistón vs prison
A purely visual mix-up. pistón ([pisˈt̪õn]) and prison (/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 4 positions. Our composite confusion score for this pair is 75587, derived from the frequency rank of both members and their visual similarity.
pistón is recorded at frequency rank #37,787, classified as anoun, pronounced [pisˈt̪õn]. prison is at rank #37,800, 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 75587, this pair ranks #19,250 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of pistón vs prison
Shared letters: inps. Private to "pistón": tó. Private to "prison": or.
"pistón" · 6 letters · shape CVCCVC · "prison" · 6 letters · shape CCVCVC
Known mistypes of this pair
- prison ← pirson · pprison · priosn · prisno · prisonn · prisson · prrison · prsion
Frequently Asked Questions
Is swapping "pistón" for "prison" ever safe?
Frequency check: "pistón" vs "prison" - which ranks higher?
Useful next steps
Eye-level mix-up between "pistón" and "prison" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "pistón" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prison" - compare definitions side by side with the headword page. Word entry
- This pair ranks #19,250 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "pistón" and "prison" also get mixed up with nearby pairs, the highest-scored neighbour is "pitón vs prison". 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 #19,250 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.