Which to use
“au” is an article and “av” is a noun - they look or sound alike but fill different roles in a sentence.
- #24
- “au” frequency rank
- #4,732
- “av” frequency rank
- 4756
- confusion score
Side-by-Side Comparison
| Feature | au | av |
|---|---|---|
| Definition | Contraction de la préposition à et de l'article défini le. | Onzième mois du calendrier hébraïque. |
Where the eye mixes au and av
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: au vs av
These two trip readers on the page rather than in the ear: au is \o\ while av is \av\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - u in “au” becomes v in “av”, and the parts of speech differ too (article vs noun), which is usually the fastest check. Our composite confusion score for this pair is 4756, derived from the frequency rank of both members and their visual similarity.
au is recorded at frequency rank #24, classified as anarticle, pronounced \o\. av is at rank #4,732, tagged as anoun, pronounced \av\.
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 4756, this pair ranks #430,774 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of au vs av
Shared letters: a. Private to "au": u. Private to "av": v.
"au" · 2 letters · shape VV · "av" · 2 letters · shape VC
Frequently Asked Questions
Can "au" and "av" be used interchangeably?
Which is more common, "au" or "av"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "au" 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 #430,774 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "au" and "av" also get mixed up with nearby pairs, the highest-scored neighbour is "av vs aves". Nearby pair
Confusion rank #430,774 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.