Which to use
“af” is an adjective and “aut” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #20,246
- “af” frequency rank
- #40,662
- “aut” frequency rank
- 60908
- confusion score
Side-by-Side Comparison
| Feature | af | aut |
|---|---|---|
| Definition | Enfermo. | O |
Where the eye mixes af and aut
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: af vs aut
These two trip readers on the page rather than in the ear: af is /af/ while aut is /ˈawt/. 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 (adjective vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 60908, derived from the frequency rank of both members and their visual similarity.
af is recorded at frequency rank #20,246, classified as anadj, pronounced /af/. aut is at rank #40,662, tagged as aconj, pronounced /ˈawt/.
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 60908, this pair ranks #57,253 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of af vs aut
Shared letters: a. Private to "af": f. Private to "aut": tu.
"af" · 2 letters · shape VC · "aut" · 3 letters · shape VVC
Frequently Asked Questions
Can "af" and "aut" be used interchangeably?
In ordinary Spanish text, does "af" or "aut" show up more?
What to do next
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 "aut" - compare definitions side by side with the headword page. Word entry
- This pair ranks #57,253 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "af" and "aut" also get mixed up with nearby pairs, the highest-scored neighbour is "anta vs aut". Nearby pair
Confusion rank #57,253 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.