ann vs ato, What's the Difference?

Which to use

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

#8,848
“ann” frequency rank: #1,326
“ato” frequency rank: 10174
confusion score

Side-by-Side Comparison

Feature	ann	ato
Definition	aí	processo de fazer algo; manifestação real e tangível

Letter map: ann vs ato

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

3 ch

ann

3 ch

ato

Role in the sentence - ann and ato

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ann is anadverb and atoanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 10174, derived from the frequency rank of both members and their visual similarity.

ann is recorded at frequency rank #8,848, classified as anadv. ato is at rank #1,326, tagged as anoun, pronounced /ˈato/ ou /ˈatu/_(plural:) /ˈatos/, /ˈatus/ ou /ˈatuʃ/.

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 10174, this pair ranks #63,018 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ann vs ato

Shared letters: a. Private to "ann": n. Private to "ato": ot.

"ann" · 3 letters · shape VCC · "ato" · 3 letters · shape VCV

Frequently Asked Questions

Do "ann" and "ato" mean the same thing in a sentence?

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

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

"ato" is the more common of the two: it sits at frequency rank #1,326 in our Portuguese list, against #8,848 for "ann". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "ann" and "ato". Here's where to go from here.

Full dictionary entry for "ann" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ato" - compare definitions side by side with the headword page. Word entry
This pair ranks #63,018 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"ann" and "ato" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ann". Nearby pair

Confusion rank #63,018 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.