Which to use
“aus” is a preposition and “aut” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #18,401
- “aus” frequency rank
- #20,365
- “aut” frequency rank
- 38766
- confusion score
Side-by-Side Comparison
| Feature | aus | aut |
|---|---|---|
| Definition | De (désigne la provenance). | Ou exclusif. |
Where the eye mixes aus and aut
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between aus and aut
These two trip readers on the page rather than in the ear: aus is \aʊ̯s\ while aut is \ˈau̯t\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - s in “aus” becomes t in “aut”, and the parts of speech differ too (preposition vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 38766, derived from the frequency rank of both members and their visual similarity.
aus is recorded at frequency rank #18,401, classified as aprep, pronounced \aʊ̯s\. aut is at rank #20,365, tagged as aconj, pronounced \ˈau̯t\.
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 38766, this pair ranks #252,948 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of aus vs aut
Shared letters: au. Private to "aus": s. Private to "aut": t.
"aus" · 3 letters · shape VVC · "aut" · 3 letters · shape VVC
Frequently Asked Questions
Do "aus" and "aut" mean the same thing in a sentence?
Which is more common, "aus" or "aut"?
Useful next steps
Eye-level mix-up between "aus" and "aut" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "aus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aut" - compare definitions side by side with the headword page. Word entry
- This pair ranks #252,948 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "aus" and "aut" also get mixed up with nearby pairs, the highest-scored neighbour is "aur vs aut". Nearby pair
Confusion rank #252,948 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.