achavsAPATell them apart

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

Which to use

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

#547
“acha” frequency rank
#23,196
“APA” frequency rank
23743
confusion score

Side-by-Side Comparison

Feature acha APA
Definition cavaca área de proteção ambiental

Letter map: acha vs APA

Shared letters muted; letters that set acha and APA apart highlighted. Shared run: 2.

4 ch
acha
3 ch
APA

Part-of-speech tell for acha / APA

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: acha is anoun and APAanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 23743, derived from the frequency rank of both members and their visual similarity.

acha is recorded at frequency rank #547, classified as anoun, pronounced /ˈa.ʃɐ/. APA is at rank #23,196, 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 23743, this pair ranks #46,030 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of acha vs APA

Shared letters: a. Private to "acha": ch. Private to "APA": p.

"acha" · 4 letters · shape VCCV  ·  "APA" · 3 letters · shape VCV

Known mistypes of this pair

  • achaacah · accha · achha · ahca · caha

Frequently Asked Questions

Can "acha" and "APA" be used interchangeably?
No - they are not even the same part of speech. "acha" is a noun and "APA" an abbrev, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "acha" or "APA" show up more?
"acha" is the more common of the two: it sits at frequency rank #547 in our Portuguese list, against #23,196 for "APA". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "acha" and "APA". Here's where to go from here.

  • Full dictionary entry for "acha" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "APA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,030 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "acha" and "APA" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs APA". 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 #46,030 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