acavsAgarWhich spelling fits?

Quick tell: aca is a noun, Agar is a name, so they fill different roles in a sentence.

Which to use

“aca” is a noun and “Agar” is a name - they look or sound alike but fill different roles in a sentence.

#3,222
“aca” frequency rank
#42,783
“Agar” frequency rank
46005
confusion score

Side-by-Side Comparison

Feature aca Agar
Definition Residuo sólido indigerible del bolo alimenticio, que se excreta a través del ano. Apellido.

Where the eye mixes aca and Agar

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
aca
4 ch
Agar

Look-alike desk: aca vs Agar

These two trip readers on the page rather than in the ear: aca is [ˈaka] while Agar is [aˈɣ̞aɾ]. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 46005, 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]. Agar is at rank #42,783, tagged as aname, pronounced [aˈɣ̞aɾ].

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 46005, this pair ranks #128,224 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aca vs Agar

Shared letters: a. Private to "aca": c. Private to "Agar": gr.

"aca" · 3 letters · shape VCV  ·  "Agar" · 4 letters · shape VCVC

Known mistypes of this pair

  • Agaraagr · agarr · aggar · gaar

Frequently Asked Questions

Is swapping "aca" for "Agar" ever safe?
No - they are not even the same part of speech. "aca" is a noun and "Agar" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "aca" vs "Agar" - which ranks higher?
"aca" is the more common of the two: it sits at frequency rank #3,222 in our Spanish list, against #42,783 for "Agar". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "aca" and "Agar" 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 "Agar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #128,224 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aca" and "Agar" also get mixed up with nearby pairs, the highest-scored neighbour is "Agar vs ajuar". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #128,224 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