ASCvsasmaTell them apart

Quick tell: ASC is a abbrev, asma is a noun, so they fill different roles in a sentence.

Which to use

“ASC” is an abbrev and “asma” is a noun - they look or sound alike but fill different roles in a sentence.

#49,305
“ASC” frequency rank
#15,737
“asma” frequency rank
65042
confusion score

Side-by-Side Comparison

Feature ASC asma
Definition sigla de Agence Spatiale Canadienne, a Agência Espacial Canadiana doença inflamatória crônica caracterizada por obstrução ao fluxo de ar nas vias respiratórias, cuja causa não está completamente elucidada

Letter map: ASC vs asma

Shared letters muted; letters that set ASC and asma apart highlighted. Shared run: 2.

3 ch
ASC
4 ch
asma

Grammar separator: ASC vs asma

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ASC is anabbrev and asmaanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 65042, derived from the frequency rank of both members and their visual similarity.

ASC is recorded at frequency rank #49,305, classified as anabbrev. asma is at rank #15,737, tagged as anoun.

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 65042, this pair ranks #5,546 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ASC vs asma

Shared letters: as. Private to "ASC": c. Private to "asma": m.

"ASC" · 3 letters · shape VCC  ·  "asma" · 4 letters · shape VCCV

Known mistypes of this pair

  • asmaasam · asmma · assma

Frequently Asked Questions

Is swapping "ASC" for "asma" ever safe?
No - they are not even the same part of speech. "ASC" is an abbrev and "asma" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "ASC" or "asma" show up more?
"asma" is the more common of the two: it sits at frequency rank #15,737 in our Portuguese list, against #49,305 for "ASC". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "ASC" and "asma".

  • Full dictionary entry for "ASC" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "asma" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #5,546 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ASC" and "asma" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ASC". 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 #5,546 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