APAvsAssWhich spelling fits?

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

Which to use

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

#23,196
“APA” frequency rank
#15,020
“Ass” frequency rank
38216
confusion score

Side-by-Side Comparison

Feature APA Ass
Definition área de proteção ambiental ás

Letter map: APA vs Ass

Shared letters muted; letters that set APA and Ass apart highlighted. Shared run: 1.

3 ch
APA
3 ch
Ass

Role in the sentence - APA and Ass

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: APA is anabbrev and Assanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 38216, derived from the frequency rank of both members and their visual similarity.

APA is recorded at frequency rank #23,196, classified as anabbrev. Ass is at rank #15,020, tagged as anoun, pronounced /as/ ouvir^(fonte ?).

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 38216, this pair ranks #28,259 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of APA vs Ass

Shared letters: a. Private to "APA": p. Private to "Ass": s.

"APA" · 3 letters · shape VCV  ·  "Ass" · 3 letters · shape VCC

Frequently Asked Questions

Can "APA" and "Ass" be used interchangeably?
No - they are not even the same part of speech. "APA" is an abbrev and "Ass" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "APA" vs "Ass" - which ranks higher?
"Ass" is the more common of the two: it sits at frequency rank #15,020 in our Portuguese list, against #23,196 for "APA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "APA" vs "Ass" is on the table, pick a follow-up below.

  • Full dictionary entry for "APA" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ass" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,259 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "APA" and "Ass" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs APA". Nearby pair

Confusion rank #28,259 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