acavsamWhat's the difference?

Which to use

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

#3,222
“aca” frequency rank
#2,918
“am” frequency rank
6140
confusion score

Side-by-Side Comparison

Feature aca am
Definition Residuo sólido indigerible del bolo alimenticio, que se excreta a través del ano. Coño, concha.

Where the eye mixes aca and am

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

3 ch
aca
2 ch
am

Visual trap between aca and am

A purely visual mix-up. aca ([ˈaka]) and am ([ˈɑm]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 6140, 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]. am is at rank #2,918, tagged as anoun, pronounced [ˈɑm].

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 6140, this pair ranks #311,637 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aca vs am

Shared letters: a. Private to "aca": c. Private to "am": m.

"aca" · 3 letters · shape VCV  ·  "am" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "aca" for "am" ever safe?
No. They are said differently ([ˈaka] versus [ˈɑm]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "aca" or "am"?
"am" is the more common of the two: it sits at frequency rank #2,918 in our Spanish list, against #3,222 for "aca". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "aca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "am" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #311,637 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aca" and "am" also get mixed up with nearby pairs, the highest-scored neighbour is "aca vs anta". Nearby pair

Confusion rank #311,637 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