asevsautWhich spelling fits?

Quick tell: ase is a verb, aut is a conjunction, so they fill different roles in a sentence.

Which to use

“ase” is a verb and “aut” is a conjunction - they look or sound alike but fill different roles in a sentence.

#30,766
“ase” frequency rank
#40,662
“aut” frequency rank
71428
confusion score

Side-by-Side Comparison

Feature ase aut
Definition Primera persona del singular (yo) del presente de subjuntivo de asar. O

Where the eye mixes ase and aut

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
ase
3 ch
aut

Why the eye confuses ase with aut

These two trip readers on the page rather than in the ear: ase is [ˈase] while aut is /ˈawt/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 71428, derived from the frequency rank of both members and their visual similarity.

ase is recorded at frequency rank #30,766, classified as averb, pronounced [ˈase]. 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 71428, this pair ranks #27,542 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of ase vs aut

Shared letters: a. Private to "ase": es. Private to "aut": tu.

"ase" · 3 letters · shape VCV  ·  "aut" · 3 letters · shape VVC

Frequently Asked Questions

Can "ase" and "aut" be used interchangeably?
No - they are not even the same part of speech. "ase" is a verb and "aut" a conjunction, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "ase" or "aut" show up more?
"ase" is the more common of the two: it sits at frequency rank #30,766 in our Spanish list, against #40,662 for "aut". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ase" 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 #27,542 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ase" and "aut" also get mixed up with nearby pairs, the highest-scored neighbour is "anta vs aut". Nearby pair

Confusion rank #27,542 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