anivsatoWhich spelling fits?

Quick tell: ani is a conjunction, ato is a noun, so they fill different roles in a sentence.

Which to use

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

#27,349
“ani” frequency rank
#1,326
“ato” frequency rank
28675
confusion score

Side-by-Side Comparison

Feature ani ato
Definition nem processo de fazer algo; manifestação real e tangível

Letter map: ani vs ato

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

3 ch
ani
3 ch
ato

Role in the sentence - ani and ato

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ani is aconjunction and atoanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 28675, derived from the frequency rank of both members and their visual similarity.

ani is recorded at frequency rank #27,349, classified as aconj. 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 28675, this pair ranks #40,125 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ani vs ato

Shared letters: a. Private to "ani": in. Private to "ato": ot.

"ani" · 3 letters · shape VCV  ·  "ato" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "ani" for "ato" ever safe?
No - they are not even the same part of speech. "ani" is a conjunction and "ato" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ani" or "ato"?
"ato" is the more common of the two: it sits at frequency rank #1,326 in our Portuguese list, against #27,349 for "ani". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "ani" and "ato".

  • Full dictionary entry for "ani" 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 #40,125 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ani" and "ato" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ani". Nearby pair

Confusion rank #40,125 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