As vs asa, What's the Difference?

Which to use

“As” and “asa” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#22
“As” frequency rank: #7,104
“asa” frequency rank: 7126
confusion score

Side-by-Side Comparison

Feature	As	asa
Definition	forma obsoleta de Ass	membro de um animal que serve para o voo

Where the eye mixes As and asa

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch

3 ch

asa

Visual trap between As and asa

A purely visual mix-up. As (/as/) 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 differ by 1 extra letter(s) - “As” sits inside “asa”. Our composite confusion score for this pair is 7126, derived from the frequency rank of both members and their visual similarity.

As is recorded at frequency rank #22, classified as anoun, pronounced /as/. 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 7126, this pair ranks #67,092 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of As vs asa

Shared letters: as. Private to "As": -. Private to "asa": -.

"As" · 2 letters · shape VC · "asa" · 3 letters · shape VCV

Frequently Asked Questions

Do "As" and "asa" mean the same thing in a sentence?

No. They are said differently (/as/ versus /ˈa.zɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "As" or "asa"?

"As" is the more common of the two: it sits at frequency rank #22 in our Portuguese list, against #7,104 for "asa". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "As" and "asa" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "As" 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 #67,092 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"As" and "asa" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs asa". Nearby pair

Confusion rank #67,092 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.