aahvsauthTell them apart

Quick tell: aah is a intj, auth is a noun, so they fill different roles in a sentence.

Which to use

“aah” is an intj and “auth” is a noun - they look or sound alike but fill different roles in a sentence.

#36,411
“aah” frequency rank
#30,696
“auth” frequency rank
67107
confusion score

Side-by-Side Comparison

Feature aah auth
Definition Indication of amazement or surprise or enthusiasm. Abbreviation of authentication.

Letter map: aah vs auth

Shared letters muted; letters that set aah and auth apart highlighted. Shared run: 2.

3 ch
aah
4 ch
auth

Role in the sentence - aah and auth

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: aah is anintj and authanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 67107, derived from the frequency rank of both members and their visual similarity.

aah is recorded at frequency rank #36,411, classified as anintj. auth is at rank #30,696, tagged as anoun.

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 67107, this pair ranks #64,907 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of aah vs auth

Shared letters: ah. Private to "aah": -. Private to "auth": tu.

"aah" · 3 letters · shape VVC  ·  "auth" · 4 letters · shape VVCC

Known mistypes of this pair

  • authatuh · auht · authh · autth

Frequently Asked Questions

Do "aah" and "auth" mean the same thing in a sentence?
No - they are not even the same part of speech. "aah" is an intj and "auth" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "aah" or "auth"?
"auth" is the more common of the two: it sits at frequency rank #30,696 in our English list, against #36,411 for "aah". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "aah" and "auth". Here's where to go from here.

  • Full dictionary entry for "aah" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "auth" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #64,907 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "aah" and "auth" also get mixed up with nearby pairs, the highest-scored neighbour is "aah vs amb". 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 #64,907 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