ato vs av, What's the Difference?

Which to use

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

#1,326
“ato” frequency rank: #5,821
“av” frequency rank: 7147
confusion score

Side-by-Side Comparison

Feature	ato	av
Definition	processo de fazer algo; manifestação real e tangível	audiovisuel ("audiovisual"):

Letter map: ato vs av

Shared letters muted; letters that set ato and av apart highlighted. Shared run: 1.

3 ch

ato

2 ch

Grammar separator: ato vs av

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ato is anoun and avanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 7147, derived from the frequency rank of both members and their visual similarity.

ato is recorded at frequency rank #1,326, classified as anoun, pronounced /ˈato/ ou /ˈatu/_(plural:) /ˈatos/, /ˈatus/ ou /ˈatuʃ/. av is at rank #5,821, 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 7147, this pair ranks #67,065 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ato vs av

Shared letters: a. Private to "ato": ot. Private to "av": v.

"ato" · 3 letters · shape VCV · "av" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "ato" for "av" ever safe?

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

In ordinary Portuguese text, does "ato" or "av" show up more?

"ato" is the more common of the two: it sits at frequency rank #1,326 in our Portuguese list, against #5,821 for "av". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "ato" vs "av" is on the table, pick a follow-up below.

Full dictionary entry for "ato" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "av" - compare definitions side by side with the headword page. Word entry
This pair ranks #67,065 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"ato" and "av" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs av". Nearby pair

Confusion rank #67,065 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.