Which to use
“af” is a preposition and “az” is a noun - they look or sound alike but fill different roles in a sentence.
- #14,405
- “af” frequency rank
- #23,772
- “az” frequency rank
- 38177
- confusion score
Side-by-Side Comparison
| Feature | af | az |
|---|---|---|
| Definition | De. Note d’usage : la préposition est suivie du datif. | Première lettre de l’alphabet glagolitique, Ⰰ. |
Where the eye mixes af and az
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between af and az
These two trip readers on the page rather than in the ear: af is \aːv\ while az is \az\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - f in “af” becomes z in “az”, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 38177, derived from the frequency rank of both members and their visual similarity.
af is recorded at frequency rank #14,405, classified as aprep, pronounced \aːv\. az is at rank #23,772, tagged as anoun, pronounced \az\.
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 38177, this pair ranks #257,128 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of af vs az
Shared letters: a. Private to "af": f. Private to "az": z.
"af" · 2 letters · shape VC · "az" · 2 letters · shape VC
Frequently Asked Questions
Can "af" and "az" be used interchangeably?
Which is more common, "af" or "az"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "af" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "az" - compare definitions side by side with the headword page. Word entry
- This pair ranks #257,128 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "af" and "az" also get mixed up with nearby pairs, the highest-scored neighbour is "aur vs az". Nearby pair
Confusion rank #257,128 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.