aúnvsautWhich spelling fits?

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

Which to use

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

#240
“aún” frequency rank
#40,662
“aut” frequency rank
40902
confusion score

Side-by-Side Comparison

Feature aún aut
Definition Indica que el hecho persiste en el presente, aunque pueda cambiar en lo sucesivo.. O

Where the eye mixes aún and aut

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

3 ch
aún
3 ch
aut

Why the eye confuses aún with aut

These two trip readers on the page rather than in the ear: aún is [aˈũn] 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 (adverb vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 40902, derived from the frequency rank of both members and their visual similarity.

aún is recorded at frequency rank #240, classified as anadv, pronounced [aˈũn]. 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 40902, this pair ranks #156,577 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aún vs aut

Shared letters: a. Private to "aún": . Private to "aut": tu.

"aún" · 3 letters · shape VVC  ·  "aut" · 3 letters · shape VVC

Frequently Asked Questions

Do "aún" and "aut" mean the same thing in a sentence?
No - they are not even the same part of speech. "aún" is an adverb and "aut" a conjunction, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "aún" or "aut" show up more?
"aún" is the more common of the two: it sits at frequency rank #240 in our Spanish list, against #40,662 for "aut". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "aún" 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 #156,577 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aún" and "aut" also get mixed up with nearby pairs, the highest-scored neighbour is "anta vs aut". Nearby pair

Confusion rank #156,577 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