Which to use
“acto” is a noun and “aut” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #1,077
- “acto” frequency rank
- #40,662
- “aut” frequency rank
- 41739
- confusion score
Side-by-Side Comparison
| Feature | acto | aut |
|---|---|---|
| Definition | Consecuencia real o potencial de realizar, de llevar a cabo algo. | O |
Where the eye mixes acto and aut
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses acto with aut
These two trip readers on the page rather than in the ear: acto is [ˈakt̪o] while aut is /ˈawt/. 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 (noun vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 41739, derived from the frequency rank of both members and their visual similarity.
acto is recorded at frequency rank #1,077, classified as anoun, pronounced [ˈakt̪o]. aut is at rank #40,662, tagged as aconj, pronounced /ˈawt/.
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 41739, this pair ranks #152,039 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of acto vs aut
Shared letters: at. Private to "acto": co. Private to "aut": u.
"acto" · 4 letters · shape VCCV · "aut" · 3 letters · shape VVC
Known mistypes of this pair
- acto ← accto · acot · actto · atco
Frequently Asked Questions
Is swapping "acto" for "aut" ever safe?
Which is more common, "acto" or "aut"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "acto" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aut" - compare definitions side by side with the headword page. Word entry
- This pair ranks #152,039 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "acto" and "aut" 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 #152,039 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.