acavsañoWhat's the difference?

Which to use

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

#3,222
“aca” frequency rank
#100
“año” frequency rank
3322
confusion score

Side-by-Side Comparison

Feature aca año
Definition Residuo sólido indigerible del bolo alimenticio, que se excreta a través del ano. Intervalo de tiempo que tarda la Tierra en hacer una revolución alrededor del Sol. El año se compone de 365 días y cuarto aproximadamente. Por eso cada cuatro años el año civil tiene un día más.

Where the eye mixes aca and año

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

3 ch
aca
3 ch
año

Look-alike desk: aca vs año

A purely visual mix-up. aca ([ˈaka]) and año ([ˈaɲo]) 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 3322, 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]. año is at rank #100, tagged as anoun, pronounced [ˈaɲo].

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 3322, this pair ranks #318,556 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aca vs año

Shared letters: a. Private to "aca": c. Private to "año": .

"aca" · 3 letters · shape VCV  ·  "año" · 3 letters · shape VCV

Frequently Asked Questions

Can "aca" and "año" be used interchangeably?
No. They are said differently ([ˈaka] versus [ˈaɲo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "aca" vs "año" - which ranks higher?
"año" is the more common of the two: it sits at frequency rank #100 in our Spanish list, against #3,222 for "aca". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "aca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "año" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #318,556 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aca" and "año" also get mixed up with nearby pairs, the highest-scored neighbour is "aca vs anta". Nearby pair

Confusion rank #318,556 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