attvsautoTell them apart

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

Which to use

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

#17,701
“att” frequency rank
#1,421
“auto” frequency rank
19122
confusion score

Side-by-Side Comparison

Feature att auto
Definition que: solenidade; ação pública

Letter map: att vs auto

Shared letters muted; letters that set att and auto apart highlighted. Shared run: 2.

3 ch
att
4 ch
auto

Part-of-speech tell for att / auto

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: att is aconjunction and autoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 19122, derived from the frequency rank of both members and their visual similarity.

att is recorded at frequency rank #17,701, classified as aconj. auto is at rank #1,421, tagged as anoun, pronounced /ˈaw.tu/.

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 19122, this pair ranks #51,701 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of att vs auto

Shared letters: at. Private to "att": -. Private to "auto": ou.

"att" · 3 letters · shape VCC  ·  "auto" · 4 letters · shape VVCV

Known mistypes of this pair

  • autoatuo · auot · autto · uato

Frequently Asked Questions

Do "att" and "auto" mean the same thing in a sentence?
No - they are not even the same part of speech. "att" is a conjunction and "auto" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "att" vs "auto" - which ranks higher?
"auto" is the more common of the two: it sits at frequency rank #1,421 in our Portuguese list, against #17,701 for "att". 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 "att" and "auto".

  • Full dictionary entry for "att" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "auto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,701 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "att" and "auto" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs att". 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 #51,701 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