aptvsAustConfusable pair

Quick tell: apt is a adjective, Aust is a name, so they fill different roles in a sentence.

Which to use

“apt” is an adjective and “Aust” is a name - they look or sound alike but fill different roles in a sentence.

#11,337
“apt” frequency rank
#31,864
“Aust” frequency rank
43201
confusion score

Side-by-Side Comparison

Feature apt Aust
Definition Suitable; appropriate; fit or fitted; suited. A small village and civil parish in South Gloucestershire district, Gloucestershire, England, by the Severn Estuary (OS grid ref ST5789).

Letter map: apt vs Aust

Shared letters muted; letters that set apt and Aust apart highlighted. Shared run: 2.

3 ch
apt
4 ch
Aust

Part-of-speech tell for apt / Aust

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: apt is anadjective and Austaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 43201, derived from the frequency rank of both members and their visual similarity.

apt is recorded at frequency rank #11,337, classified as anadj, pronounced /æpt/. Aust is at rank #31,864, 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 43201, this pair ranks #242,282 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of apt vs Aust

Shared letters: at. Private to "apt": p. Private to "Aust": su.

"apt" · 3 letters · shape VCC  ·  "Aust" · 4 letters · shape VVCC

Known mistypes of this pair

  • Austasut · ausst · austt · auts · uast

Frequently Asked Questions

Can "apt" and "Aust" be used interchangeably?
No - they are not even the same part of speech. "apt" is an adjective and "Aust" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "apt" vs "Aust" - which ranks higher?
"apt" is the more common of the two: it sits at frequency rank #11,337 in our English list, against #31,864 for "Aust". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "apt" and "Aust". Here's where to go from here.

  • Full dictionary entry for "apt" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Aust" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #242,282 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "apt" and "Aust" also get mixed up with nearby pairs, the highest-scored neighbour is "Asta vs Aust". 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 #242,282 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