autovsAutorWhich spelling fits?

Which to use

“auto” and “Autor” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,421
“auto” frequency rank
#845
“Autor” frequency rank
2266
confusion score

Side-by-Side Comparison

Feature auto Autor
Definition solenidade; ação pública autor

Where the eye mixes auto and Autor

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
auto
5 ch
Autor

Visual trap between auto and Autor

A purely visual mix-up. auto (/ˈaw.tu/) and Autor (/ˈaʊ̯toːɐ̯/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “auto” sits inside “Autor”. Our composite confusion score for this pair is 2266, derived from the frequency rank of both members and their visual similarity.

auto is recorded at frequency rank #1,421, classified as anoun, pronounced /ˈaw.tu/. Autor is at rank #845, tagged as anoun, pronounced /ˈaʊ̯toːɐ̯/.

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 2266, this pair ranks #73,171 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of auto vs Autor

Shared letters: aotu. Private to "auto": -. Private to "Autor": r.

"auto" · 4 letters · shape VVCV  ·  "Autor" · 5 letters · shape VVCVC

Known mistypes of this pair

  • autoatuo · auot · autto · uato
  • Autoratuor · auotr · autorr · autro · auttor · uator

Frequently Asked Questions

Is swapping "auto" for "Autor" ever safe?
No. They are said differently (/ˈaw.tu/ versus /ˈaʊ̯toːɐ̯/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "auto" vs "Autor" - which ranks higher?
"Autor" is the more common of the two: it sits at frequency rank #845 in our Portuguese list, against #1,421 for "auto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "auto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Autor" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #73,171 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "auto" and "Autor" also get mixed up with nearby pairs, the highest-scored neighbour is "atar vs Autor". 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 #73,171 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