Which to use
“pilão” and “pistão” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,522
- “pilão” frequency rank
- #26,846
- “pistão” frequency rank
- 72368
- confusion score
Side-by-Side Comparison
| Feature | pilão | pistão |
|---|---|---|
| Definition | mão do almofariz | peça cilíndrica normalmente feita de alumínio ou liga de alumínio, que se move longitudinalmente no interior do cilindro dos motores de explosão |
Where the eye mixes pilão and pistão
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. pilão runs 5 letters (CVCVV) against pistão's 6 (CVCCVV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between pilão and pistão
A purely visual mix-up. pilão (/pi.ˈlɐ̃w̃/) and pistão (/piʃ.ˈtɐ̃w̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 72368, derived from the frequency rank of both members and their visual similarity.
pilão is recorded at frequency rank #45,522, classified as anoun, pronounced /pi.ˈlɐ̃w̃/. pistão is at rank #26,846, tagged as anoun, pronounced /piʃ.ˈtɐ̃w̃/.
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 72368, this pair ranks #3,069 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of pilão vs pistão
Shared letters: iopã. Private to "pilão": l. Private to "pistão": st.
"pilão" · 5 letters · shape CVCVV · "pistão" · 6 letters · shape CVCCVV
Frequently Asked Questions
Can "pilão" and "pistão" be used interchangeably?
Which is more common, "pilão" or "pistão"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pilão" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pistão" - compare definitions side by side with the headword page. Word entry
- This pair ranks #3,069 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "pilão" and "pistão" also get mixed up with nearby pairs, the highest-scored neighbour is "pilão vs platô". Nearby pair
Confusion rank #3,069 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.