Which to use
“aut” is a conjunction and “autos” is a noun - they look or sound alike but fill different roles in a sentence.
- #40,662
- “aut” frequency rank
- #2,281
- “autos” frequency rank
- 42943
- confusion score
Side-by-Side Comparison
| Feature | aut | autos |
|---|---|---|
| Definition | O | Forma del plural de auto. |
Where the eye mixes aut and autos
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. aut runs 3 letters (VVC) against autos's 5 (VVCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses aut with autos
These two trip readers on the page rather than in the ear: aut is /ˈawt/ while autos is [ˈawt̪os]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “aut” sits inside “autos”, and the parts of speech differ too (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 42943, derived from the frequency rank of both members and their visual similarity.
aut is recorded at frequency rank #40,662, classified as aconj, pronounced /ˈawt/. 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 42943, this pair ranks #145,415 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of aut vs autos
Shared letters: atu. Private to "aut": -. Private to "autos": os.
"aut" · 3 letters · shape VVC · "autos" · 5 letters · shape VVCVC
Known mistypes of this pair
- autos ← atuos · auots · autoss · autso · auttos · uatos
Frequently Asked Questions
Can "aut" and "autos" be used interchangeably?
In ordinary Spanish text, does "aut" or "autos" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "aut" 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 #145,415 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "aut" and "autos" also get mixed up with nearby pairs, the highest-scored neighbour is "anta vs aut". 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 #145,415 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.