Which to use
“adult” is a noun and “Aust” is a name - they look or sound alike but fill different roles in a sentence.
- #1,654
- “adult” frequency rank
- #31,864
- “Aust” frequency rank
- 33518
- confusion score
Side-by-Side Comparison
| Feature | adult | Aust |
|---|---|---|
| Definition | An animal that is full-grown. | A small village and civil parish in South Gloucestershire district, Gloucestershire, England, by the Severn Estuary (OS grid ref ST5789). |
Letter map: adult vs Aust
Shared letters muted; letters that set adult and Aust apart highlighted. Shared run: 3. adult runs 5 letters (VCVCC) against Aust's 4 (VVCC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - adult and Aust
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: adult is anoun and Austaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 33518, derived from the frequency rank of both members and their visual similarity.
adult is recorded at frequency rank #1,654, classified as anoun, pronounced /ˈæd.ʌlt/. 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 33518, this pair ranks #328,742 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of adult vs Aust
Shared letters: atu. Private to "adult": dl. Private to "Aust": s.
"adult" · 5 letters · shape VCVCC · "Aust" · 4 letters · shape VVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "adult" for "Aust" ever safe?
Frequency check: "adult" vs "Aust" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "adult" and "Aust".
- Full dictionary entry for "adult" 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 #328,742 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "adult" 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 #328,742 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.