acavsayoConfusable pair

Which to use

“aca” and “ayo” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,222
“aca” frequency rank
#45,145
“ayo” frequency rank
48367
confusion score

Side-by-Side Comparison

Feature aca ayo
Definition Residuo sólido indigerible del bolo alimenticio, que se excreta a través del ano. Persona encargada del cuidado y educación de los niños en los hogares pudientes.

Where the eye mixes aca and ayo

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
aca
3 ch
ayo

Look-alike desk: aca vs ayo

A purely visual mix-up. aca ([ˈaka]) and ayo ([ˈaʝo]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 48367, derived from the frequency rank of both members and their visual similarity.

aca is recorded at frequency rank #3,222, classified as anoun, pronounced [ˈaka]. 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 48367, this pair ranks #114,894 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aca vs ayo

Shared letters: a. Private to "aca": c. Private to "ayo": oy.

"aca" · 3 letters · shape VCV  ·  "ayo" · 3 letters · shape VVV

Frequently Asked Questions

Is swapping "aca" for "ayo" ever safe?
No. They are said differently ([ˈaka] versus [ˈaʝo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "aca" or "ayo" show up more?
"aca" is the more common of the two: it sits at frequency rank #3,222 in our Spanish list, against #45,145 for "ayo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "aca" and "ayo" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "aca" 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 #114,894 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aca" and "ayo" also get mixed up with nearby pairs, the highest-scored neighbour is "alió vs ayo". Nearby pair

Confusion rank #114,894 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list