Which to use
“aspirar” and “assinar” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #30,832
- “aspirar” frequency rank
- #3,959
- “assinar” frequency rank
- 34791
- confusion score
Side-by-Side Comparison
| Feature | aspirar | assinar |
|---|---|---|
| Definition | atrair (o ar exterior) aos pulmões | autenticar com o seu nome ou firma |
Where the eye mixes aspirar and assinar
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. aspirar and assinar follow the identical consonant-vowel pattern (VCCVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between aspirar and assinar
A purely visual mix-up. aspirar (/ɐʃ.pi.ˈɾaɾ/) and assinar (/ɐ.si.ˈnaɾ/) 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 2 positions. Our composite confusion score for this pair is 34791, derived from the frequency rank of both members and their visual similarity.
aspirar is recorded at frequency rank #30,832, classified as averb, pronounced /ɐʃ.pi.ˈɾaɾ/. assinar is at rank #3,959, tagged as averb, pronounced /ɐ.si.ˈnaɾ/.
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 34791, this pair ranks #32,387 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of aspirar vs assinar
Shared letters: airs. Private to "aspirar": p. Private to "assinar": n.
"aspirar" · 7 letters · shape VCCVCVC · "assinar" · 7 letters · shape VCCVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "aspirar" and "assinar" be used interchangeably?
Which is more common, "aspirar" or "assinar"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "aspirar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "assinar" - compare definitions side by side with the headword page. Word entry
- This pair ranks #32,387 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "aspirar" and "assinar" also get mixed up with nearby pairs, the highest-scored neighbour is "aparar vs aspirar". 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 #32,387 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.