ahvsAZWhich spelling fits?

Quick tell: ah is a intj, AZ is a name, so they fill different roles in a sentence.

Which to use

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

#2,325
“ah” frequency rank
#11,504
“AZ” frequency rank
13829
confusion score

Side-by-Side Comparison

Feature ah AZ
Definition An expression of relief, relaxation, comfort, confusion, understanding, wonder, awe, etc. according to uttered inflection. Abbreviation of Arizona: a state of the United States.

Letter map: ah vs AZ

Shared letters muted; letters that set ah and AZ apart highlighted. Shared run: 1.

2 ch
ah
2 ch
AZ

Role in the sentence - ah and AZ

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ah is anintj and AZaname. On the page they differ by a single letter - h in “ah” becomes z in “AZ”. Our composite confusion score for this pair is 13829, derived from the frequency rank of both members and their visual similarity.

ah is recorded at frequency rank #2,325, classified as anintj, pronounced /ɑː/. AZ is at rank #11,504, tagged as aname.

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 13829, this pair ranks #473,603 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ah vs AZ

Shared letters: a. Private to "ah": h. Private to "AZ": z.

"ah" · 2 letters · shape VC  ·  "AZ" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "ah" for "AZ" ever safe?
No - they are not even the same part of speech. "ah" is an intj and "AZ" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ah" or "AZ"?
"ah" is the more common of the two: it sits at frequency rank #2,325 in our English list, against #11,504 for "AZ". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "ah" vs "AZ" is on the table, pick a follow-up below.

  • Full dictionary entry for "ah" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "AZ" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #473,603 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ah" and "AZ" also get mixed up with nearby pairs, the highest-scored neighbour is "amb vs AZ". Nearby pair

Confusion rank #473,603 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list