Which to use
“pisan” is a verb and “pistón” is a noun - they look or sound alike but fill different roles in a sentence.
- #35,687
- “pisan” frequency rank
- #37,787
- “pistón” frequency rank
- 73474
- confusion score
Side-by-Side Comparison
| Feature | pisan | pistón |
|---|---|---|
| Definition | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de pisar. | En un motor de combustión, parte móvil del cilindro que transmite la energía de los gases de combustión al cigüeñal mediante un movimiento alternado. |
Where the eye mixes pisan and pistón
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. pisan runs 5 letters (CVCVC) against pistón's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: pisan vs pistón
These two trip readers on the page rather than in the ear: pisan is [ˈpisãn] while pistón is [pisˈt̪õn]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 73474, derived from the frequency rank of both members and their visual similarity.
pisan is recorded at frequency rank #35,687, classified as averb, pronounced [ˈpisãn]. pistón is at rank #37,787, tagged as anoun, pronounced [pisˈt̪õn].
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 73474, this pair ranks #23,215 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of pisan vs pistón
Shared letters: inps. Private to "pisan": a. Private to "pistón": tó.
"pisan" · 5 letters · shape CVCVC · "pistón" · 6 letters · shape CVCCVC
Known mistypes of this pair
- pisan ← ipsan · piasn · pisann · pisna · pissan · ppisan · psian
Frequently Asked Questions
Can "pisan" and "pistón" be used interchangeably?
Which is more common, "pisan" or "pistón"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "pisan" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pistón" - compare definitions side by side with the headword page. Word entry
- This pair ranks #23,215 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "pisan" and "pistón" also get mixed up with nearby pairs, the highest-scored neighbour is "pistón vs pitón". 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 #23,215 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.