ah vs Asu, What's the Difference?

Which to use

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

#699
“ah” frequency rank: #46,344
“Asu” frequency rank: 47043
confusion score

Side-by-Side Comparison

Feature	ah	Asu
Definition	Denota tristeza o decepción.	Apellido.

Where the eye mixes ah and Asu

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

2 ch

3 ch

Asu

Why the eye confuses ah with Asu

These two trip readers on the page rather than in the ear: ah is [ˈa] 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 (intj vs name), which is usually the fastest check. Our composite confusion score for this pair is 47043, derived from the frequency rank of both members and their visual similarity.

ah is recorded at frequency rank #699, classified as anintj, pronounced [ˈa]. 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 47043, this pair ranks #122,289 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ah vs Asu

Shared letters: a. Private to "ah": h. Private to "Asu": su.

"ah" · 2 letters · shape VC · "Asu" · 3 letters · shape VCV

Frequently Asked Questions

Can "ah" and "Asu" be used interchangeably?

No - they are not even the same part of speech. "ah" is an intj and "Asu" a name, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "ah" or "Asu"?

"ah" is the more common of the two: it sits at frequency rank #699 in our Spanish list, against #46,344 for "Asu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

Full dictionary entry for "ah" 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 #122,289 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"ah" and "Asu" also get mixed up with nearby pairs, the highest-scored neighbour is "Asu vs atl". Nearby pair

Confusion rank #122,289 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.