ausvsautoTell them apart

Which to use

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

#33,949
“aus” frequency rank
#871
“auto” frequency rank
34820
confusion score

Side-by-Side Comparison

Feature aus auto
Definition Forma del plural de au. Vehículo de cuatro ruedas, cerrado, con asientos, propulsado por un motor de combustión o eléctrico, destinado al transporte de una a cinco personas.

Where the eye mixes aus and auto

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
aus
4 ch
auto

Look-alike desk: aus vs auto

A purely visual mix-up. aus ([aws]) and auto ([ˈawt̪o]) 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 letter(s) in length. Our composite confusion score for this pair is 34820, derived from the frequency rank of both members and their visual similarity.

aus is recorded at frequency rank #33,949, classified as anoun, pronounced [aws]. auto is at rank #871, tagged as anoun, pronounced [ˈawt̪o].

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 34820, this pair ranks #189,381 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aus vs auto

Shared letters: au. Private to "aus": s. Private to "auto": ot.

"aus" · 3 letters · shape VVC  ·  "auto" · 4 letters · shape VVCV

Known mistypes of this pair

  • autoatuo · auot · autto · uato

Frequently Asked Questions

Can "aus" and "auto" be used interchangeably?
No. They are said differently ([aws] versus [ˈawt̪o]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "aus" or "auto"?
"auto" is the more common of the two: it sits at frequency rank #871 in our Spanish list, against #33,949 for "aus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "aus" 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 #189,381 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aus" and "auto" also get mixed up with nearby pairs, the highest-scored neighbour is "apis vs aus". 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 #189,381 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list