APA vs at, What's the Difference?

Which to use

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

#23,196
“APA” frequency rank: #1,457
“at” frequency rank: 24653
confusion score

Side-by-Side Comparison

Feature	APA	at
Definition	área de proteção ambiental	em, a

Letter map: APA vs at

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

3 ch

APA

2 ch

Grammar separator: APA vs at

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: APA is anabbrev and atapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24653, derived from the frequency rank of both members and their visual similarity.

APA is recorded at frequency rank #23,196, classified as anabbrev. at is at rank #1,457, tagged as aprep, pronounced \æt\.

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 24653, this pair ranks #44,895 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of APA vs at

Shared letters: a. Private to "APA": p. Private to "at": t.

"APA" · 3 letters · shape VCV · "at" · 2 letters · shape VC

Frequently Asked Questions

Can "APA" and "at" be used interchangeably?

No - they are not even the same part of speech. "APA" is an abbrev and "at" a preposition, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "APA" vs "at" - which ranks higher?

"at" is the more common of the two: it sits at frequency rank #1,457 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.

After this comparison

Pair "APA" vs "at" 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 "at" - compare definitions side by side with the headword page. Word entry
This pair ranks #44,895 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"APA" and "at" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs APA". Nearby pair

Confusion rank #44,895 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.