asnovsaúnWhich spelling fits?

Quick tell: asno is a noun, aún is an adverb, so they fill different roles in a sentence.

Which to use

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

#28,242
“asno” frequency rank
#240
“aún” frequency rank
28482
confusion score

Side-by-Side Comparison

Feature asno aún
Definition (Equus africanus asinus) Mamífero doméstico solípedo, más pequeño que el caballo, mide como metro y medio de altura. Bestia de silla y carga, que pasó de los romanos a los germanos, siendo una bestia muy utilizada durante siglos en el sur de Europa y Oriente. Desciende del asno estepario de Nubia. Indica que el hecho persiste en el presente, aunque pueda cambiar en lo sucesivo..

Where the eye mixes asno and aún

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
asno
3 ch
aún

Why the eye confuses asno with aún

These two trip readers on the page rather than in the ear: asno is [ˈasno] while aún is [aˈũn]. 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 adverb), which is usually the fastest check. Our composite confusion score for this pair is 28482, derived from the frequency rank of both members and their visual similarity.

asno is recorded at frequency rank #28,242, classified as anoun, pronounced [ˈasno]. aún is at rank #240, tagged as anadv, pronounced [aˈũn].

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 28482, this pair ranks #221,820 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of asno vs aún

Shared letters: an. Private to "asno": os. Private to "aún": ú.

"asno" · 4 letters · shape VCCV  ·  "aún" · 3 letters · shape VVC

Known mistypes of this pair

  • asnoanso · asnno · ason · assno

Frequently Asked Questions

Is swapping "asno" for "aún" ever safe?
No - they are not even the same part of speech. "asno" is a noun and "aún" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "asno" or "aún"?
"aún" is the more common of the two: it sits at frequency rank #240 in our Spanish list, against #28,242 for "asno". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "asno" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aún" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #221,820 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "asno" and "aún" also get mixed up with nearby pairs, the highest-scored neighbour is "alió vs asno". 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 #221,820 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