Which to use
“aux” is a contraction and “ayo” is a noun - they look or sound alike but fill different roles in a sentence.
- #32,511
- “aux” frequency rank
- #45,145
- “ayo” frequency rank
- 77656
- confusion score
Side-by-Side Comparison
| Feature | aux | ayo |
|---|---|---|
| Definition | Contracción de la preposición à y el artículo les; a las ; a los. | Persona encargada del cuidado y educación de los niños en los hogares pudientes. |
Where the eye mixes aux and ayo
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. aux (VVC) and ayo (VVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: aux vs ayo
These two trip readers on the page rather than in the ear: aux is /o/ while ayo is [ˈaʝo]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (contraction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 77656, 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/. ayo is at rank #45,145, tagged as anoun, pronounced [ˈaʝo].
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 77656, this pair ranks #15,655 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of aux vs ayo
Shared letters: a. Private to "aux": ux. Private to "ayo": oy.
"aux" · 3 letters · shape VVC · "ayo" · 3 letters · shape VVV
Frequently Asked Questions
Is swapping "aux" for "ayo" ever safe?
In ordinary Spanish text, does "aux" or "ayo" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "aux" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ayo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #15,655 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "aux" and "ayo" also get mixed up with nearby pairs, the highest-scored neighbour is "alió vs ayo". Nearby pair
Confusion rank #15,655 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.