aseovsAsuWhich spelling fits?

Quick tell: aseo is a noun, Asu is a name, so they fill different roles in a sentence.

Which to use

“aseo” is a noun and “Asu” is a name - they look or sound alike but fill different roles in a sentence.

#16,011
“aseo” frequency rank
#46,344
“Asu” frequency rank
62355
confusion score

Side-by-Side Comparison

Feature aseo Asu
Definition Limpieza, higiene o pulcritud en la presentación del cuerpo, la vestimenta, el lugar donse se habita, etcétera. Apellido.

Where the eye mixes aseo and Asu

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

4 ch
aseo
3 ch
Asu

Look-alike desk: aseo vs Asu

These two trip readers on the page rather than in the ear: aseo is [aˈseo] while Asu is [ˈasu]. 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 name), which is usually the fastest check. Our composite confusion score for this pair is 62355, derived from the frequency rank of both members and their visual similarity.

aseo is recorded at frequency rank #16,011, classified as anoun, pronounced [aˈseo]. Asu is at rank #46,344, tagged as aname, pronounced [ˈasu].

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 62355, this pair ranks #52,305 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of aseo vs Asu

Shared letters: as. Private to "aseo": eo. Private to "Asu": u.

"aseo" · 4 letters · shape VCVV  ·  "Asu" · 3 letters · shape VCV

Known mistypes of this pair

  • aseoaceo · aeso · asoe · asseo · saeo

Frequently Asked Questions

Is swapping "aseo" for "Asu" ever safe?
No - they are not even the same part of speech. "aseo" is a noun and "Asu" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "aseo" or "Asu" show up more?
"aseo" is the more common of the two: it sits at frequency rank #16,011 in our Spanish list, against #46,344 for "Asu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "aseo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Asu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,305 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aseo" and "Asu" also get mixed up with nearby pairs, the highest-scored neighbour is "Asu vs atl". 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 #52,305 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