Which to use
“aux” is a contraction and “av” is a noun - they look or sound alike but fill different roles in a sentence.
- #32,511
- “aux” frequency rank
- #4,858
- “av” frequency rank
- 37369
- confusion score
Side-by-Side Comparison
| Feature | aux | av |
|---|---|---|
| Definition | Contracción de la preposición à y el artículo les; a las ; a los. | Decimoprimer mes del calendario hebreo, de 30 días de duración. La conmemoración de Tishá Beav tiene lugar en este mes. |
Where the eye mixes aux and av
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses aux with av
These two trip readers on the page rather than in the ear: aux is /o/ while av is [ˈaβ̞]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (contraction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 37369, derived from the frequency rank of both members and their visual similarity.
aux is recorded at frequency rank #32,511, classified as acontraction, pronounced /o/. av is at rank #4,858, tagged as anoun, pronounced [ˈaβ̞].
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 37369, this pair ranks #175,680 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of aux vs av
Shared letters: a. Private to "aux": ux. Private to "av": v.
"aux" · 3 letters · shape VVC · "av" · 2 letters · shape VC
Frequently Asked Questions
Can "aux" and "av" be used interchangeably?
In ordinary Spanish text, does "aux" or "av" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "aux" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "av" - compare definitions side by side with the headword page. Word entry
- This pair ranks #175,680 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "aux" and "av" also get mixed up with nearby pairs, the highest-scored neighbour is "atl vs aux". Nearby pair
Confusion rank #175,680 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.