Which to use
“acs” and “asa” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,775
- “acs” frequency rank
- #7,104
- “asa” frequency rank
- 56879
- confusion score
Side-by-Side Comparison
| Feature | acs | asa |
|---|---|---|
| Definition | olho (órgão da visão) | membro de um animal que serve para o voo |
Where the eye mixes acs and asa
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. acs (VCC) and asa (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: acs vs asa
A purely visual mix-up. acs ([ats]) and asa (/ˈa.zɐ/) 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 56879, derived from the frequency rank of both members and their visual similarity.
acs is recorded at frequency rank #49,775, classified as anoun, pronounced [ats]. asa is at rank #7,104, tagged as anoun, pronounced /ˈa.zɐ/.
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 56879, this pair ranks #9,676 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of acs vs asa
Shared letters: as. Private to "acs": c. Private to "asa": -.
"acs" · 3 letters · shape VCC · "asa" · 3 letters · shape VCV
Frequently Asked Questions
Is swapping "acs" for "asa" ever safe?
Frequency check: "acs" vs "asa" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "acs" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "asa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #9,676 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "acs" and "asa" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ASC". Nearby pair
Confusion rank #9,676 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.