audiovsautoTell them apart

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

Which to use

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

#10,138
“audio” frequency rank
#1,421
“auto” frequency rank
11559
confusion score

Side-by-Side Comparison

Feature audio auto
Definition ouvir, escutar. solenidade; ação pública

Where the eye mixes audio and auto

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
audio
4 ch
auto

Look-alike desk: audio vs auto

These two trip readers on the page rather than in the ear: audio is /ˈau.di.oː/ while auto is /ˈaw.tu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11559, derived from the frequency rank of both members and their visual similarity.

audio is recorded at frequency rank #10,138, classified as averb, pronounced /ˈau.di.oː/. 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 11559, this pair ranks #61,251 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of audio vs auto

Shared letters: aou. Private to "audio": di. Private to "auto": t.

"audio" · 5 letters · shape VVCVV  ·  "auto" · 4 letters · shape VVCV

Known mistypes of this pair

  • audioaduio · auddio · audoi · auido · uadio
  • autoatuo · auot · autto · uato

Frequently Asked Questions

Is swapping "audio" for "auto" ever safe?
No - they are not even the same part of speech. "audio" is a verb and "auto" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "audio" 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 #10,138 for "audio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "audio" and "auto" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "audio" 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 #61,251 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "audio" and "auto" also get mixed up with nearby pairs, the highest-scored neighbour is "audaz vs audio". 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 #61,251 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