AsuvsausTell them apart

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

Which to use

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

#46,344
“Asu” frequency rank
#33,949
“aus” frequency rank
80293
confusion score

Side-by-Side Comparison

Feature Asu aus
Definition Apellido. Forma del plural de au.

Where the eye mixes Asu and aus

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

3 ch
Asu
3 ch
aus

Look-alike desk: Asu vs aus

These two trip readers on the page rather than in the ear: Asu is [ˈasu] while aus is [aws]. Spoken aloud the problem disappears. In writing it persists, because they differ only by swapping two adjacent letters (su ↔ us) - a transposition the eye reads straight past, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 80293, derived from the frequency rank of both members and their visual similarity.

Asu is recorded at frequency rank #46,344, classified as aname, pronounced [ˈasu]. aus is at rank #33,949, tagged as anoun, pronounced [aws].

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 80293, this pair ranks #11,864 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of Asu vs aus

Shared letters: asu. Private to "Asu": -. Private to "aus": -.

"Asu" · 3 letters · shape VCV  ·  "aus" · 3 letters · shape VVC

Frequently Asked Questions

Can "Asu" and "aus" be used interchangeably?
No - they are not even the same part of speech. "Asu" is a name and "aus" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "Asu" or "aus" show up more?
"aus" is the more common of the two: it sits at frequency rank #33,949 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

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

  • Full dictionary entry for "Asu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,864 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Asu" and "aus" also get mixed up with nearby pairs, the highest-scored neighbour is "Asu vs atl". Nearby pair

Confusion rank #11,864 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