asovsAsuWhat's the difference?

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

Which to use

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

#37,435
“aso” frequency rank
#46,344
“Asu” frequency rank
83779
confusion score

Side-by-Side Comparison

Feature aso Asu
Definition Primera persona del singular (yo) del presente de indicativo de asar. Apellido.

Where the eye mixes aso and Asu

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

3 ch
aso
3 ch
Asu

Look-alike desk: aso vs Asu

These two trip readers on the page rather than in the ear: aso is [ˈaso] while Asu is [ˈasu]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - o in “aso” becomes u in “Asu”, and the parts of speech differ too (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 83779, derived from the frequency rank of both members and their visual similarity.

aso is recorded at frequency rank #37,435, classified as averb, pronounced [ˈaso]. 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 83779, this pair ranks #7,747 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of aso vs Asu

Shared letters: as. Private to "aso": o. Private to "Asu": u.

"aso" · 3 letters · shape VCV  ·  "Asu" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "aso" for "Asu" ever safe?
No - they are not even the same part of speech. "aso" is a verb and "Asu" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "aso" or "Asu" show up more?
"aso" is the more common of the two: it sits at frequency rank #37,435 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.

After this comparison

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

  • Full dictionary entry for "aso" 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 #7,747 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aso" and "Asu" also get mixed up with nearby pairs, the highest-scored neighbour is "Asu vs atl". Nearby pair

Confusion rank #7,747 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