asavsaulaWhich spelling fits?

Which to use

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

#7,104
“asa” frequency rank
#1,186
“aula” frequency rank
8290
confusion score

Side-by-Side Comparison

Feature asa aula
Definition membro de um animal que serve para o voo sala em que se leciona

Where the eye mixes asa and aula

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

3 ch
asa
4 ch
aula

Visual trap between asa and aula

A purely visual mix-up. asa (/ˈa.zɐ/) and aula (/ˈaułɜ/) 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 8290, derived from the frequency rank of both members and their visual similarity.

asa is recorded at frequency rank #7,104, classified as anoun, pronounced /ˈa.zɐ/. aula is at rank #1,186, tagged as anoun, pronounced /ˈaułɜ/.

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 8290, this pair ranks #65,531 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of asa vs aula

Shared letters: a. Private to "asa": s. Private to "aula": lu.

"asa" · 3 letters · shape VCV  ·  "aula" · 4 letters · shape VVCV

Known mistypes of this pair

  • aulaalua · aual · aulla · uala

Frequently Asked Questions

Is swapping "asa" for "aula" ever safe?
No. They are said differently (/ˈa.zɐ/ versus /ˈaułɜ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "asa" or "aula" show up more?
"aula" is the more common of the two: it sits at frequency rank #1,186 in our Portuguese list, against #7,104 for "asa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "asa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aula" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #65,531 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "asa" and "aula" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs asa". 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 #65,531 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list