autovsautosTell them apart

Which to use

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

#871
“auto” frequency rank
#2,281
“autos” frequency rank
3152
confusion score

Side-by-Side Comparison

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

Where the eye mixes auto and autos

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

4 ch
auto
5 ch
autos

Why the eye confuses auto with autos

A purely visual mix-up. auto ([ˈawt̪o]) and autos ([ˈawt̪os]) 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 “autos”. Our composite confusion score for this pair is 3152, derived from the frequency rank of both members and their visual similarity.

auto is recorded at frequency rank #871, classified as anoun, pronounced [ˈawt̪o]. autos is at rank #2,281, tagged as anoun, pronounced [ˈawt̪os].

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 3152, this pair ranks #318,937 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of auto vs autos

Shared letters: aotu. Private to "auto": -. Private to "autos": s.

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

Known mistypes of this pair

  • autoatuo · auot · autto · uato
  • autosatuos · auots · autoss · autso · auttos · uatos

Frequently Asked Questions

Can "auto" and "autos" be used interchangeably?
No. They are said differently ([ˈawt̪o] versus [ˈawt̪os]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "auto" vs "autos" - which ranks higher?
"auto" is the more common of the two: it sits at frequency rank #871 in our Spanish list, against #2,281 for "autos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "auto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "autos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #318,937 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "auto" and "autos" also get mixed up with nearby pairs, the highest-scored neighbour is "anta vs auto". 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 #318,937 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