Which to use
“apto” is an adjective and “aut” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #11,711
- “apto” frequency rank
- #40,662
- “aut” frequency rank
- 52373
- confusion score
Side-by-Side Comparison
| Feature | apto | aut |
|---|---|---|
| Definition | Que sirve, es adecuado o está disponible para un fin o propósito | O |
Where the eye mixes apto and aut
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: apto vs aut
These two trip readers on the page rather than in the ear: apto is [ˈapt̪o] 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 (adjective vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 52373, derived from the frequency rank of both members and their visual similarity.
apto is recorded at frequency rank #11,711, classified as anadj, pronounced [ˈapt̪o]. 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 52373, this pair ranks #93,025 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of apto vs aut
Shared letters: at. Private to "apto": op. Private to "aut": u.
"apto" · 4 letters · shape VCCV · "aut" · 3 letters · shape VVC
Known mistypes of this pair
- apto ← apot · appto · aptto · atpo
Frequently Asked Questions
Do "apto" and "aut" mean the same thing in a sentence?
Which is more common, "apto" or "aut"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "apto" 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 #93,025 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "apto" 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 #93,025 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.