AvsASCTell them apart

Quick tell: A is a adjective, ASC is an abbrev, so they fill different roles in a sentence.

Which to use

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

#2
“A” frequency rank
#49,305
“ASC” frequency rank
49307
confusion score

Side-by-Side Comparison

Feature A ASC
Definition assinala o primeiro elemento de uma série na qual estes são distinguidos e ordenados em uma sequência alfabética sigla de Agence Spatiale Canadienne, a Agência Espacial Canadiana

Letter map: A vs ASC

Shared letters muted; letters that set A and ASC apart highlighted. Shared run: 1.

1 ch
A
3 ch
ASC

Grammar separator: A vs ASC

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: A is anadjective and ASCanabbrev. On the page they differ by 2 extra letter(s) - “A” sits inside “ASC”. Our composite confusion score for this pair is 49307, derived from the frequency rank of both members and their visual similarity.

A is recorded at frequency rank #2, classified as anadj, pronounced /a/. ASC is at rank #49,305, tagged as anabbrev.

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 49307, this pair ranks #15,726 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of A vs ASC

Shared letters: a. Private to "A": -. Private to "ASC": cs.

"A" · 1 letters · shape V  ·  "ASC" · 3 letters · shape VCC

Frequently Asked Questions

Can "A" and "ASC" be used interchangeably?
No - they are not even the same part of speech. "A" is an adjective and "ASC" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "A" or "ASC"?
"A" is the more common of the two: it sits at frequency rank #2 in our Portuguese list, against #49,305 for "ASC". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "A" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ASC" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #15,726 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "A" and "ASC" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ASC". Nearby pair

Confusion rank #15,726 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