acosavsacosanWhich spelling fits?

Which to use

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

#33,908
“acosa” frequency rank
#35,324
“acosan” frequency rank
69232
confusion score

Side-by-Side Comparison

Feature acosa acosan
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de acosar. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de acosar.

Where the eye mixes acosa and acosan

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. acosa runs 5 letters (VCVCV) against acosan's 6 (VCVCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
acosa
6 ch
acosan

Visual trap between acosa and acosan

A purely visual mix-up. acosa ([aˈkosa]) and acosan ([aˈkosãn]) 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 extra letter(s) - “acosa” sits inside “acosan”. Our composite confusion score for this pair is 69232, derived from the frequency rank of both members and their visual similarity.

acosa is recorded at frequency rank #33,908, classified as averb, pronounced [aˈkosa]. acosan is at rank #35,324, tagged as averb, pronounced [aˈkosãn].

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 69232, this pair ranks #32,463 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of acosa vs acosan

Shared letters: acos. Private to "acosa": -. Private to "acosan": n.

"acosa" · 5 letters · shape VCVCV  ·  "acosan" · 6 letters · shape VCVCVC

Known mistypes of this pair

  • acosa ← accosa · acoas · acossa · acsoa · aocsa · caosa
  • acosan ← accosan · acoasn · acosann · acosna · acossan · acsoan · aocsan · caosan

Frequently Asked Questions

Can "acosa" and "acosan" be used interchangeably?
No. They are said differently ([aˈkosa] versus [aˈkosãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "acosa" or "acosan"?
"acosa" is the more common of the two: it sits at frequency rank #33,908 in our Spanish list, against #35,324 for "acosan". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "acosa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "acosan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #32,463 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "acosa" and "acosan" also get mixed up with nearby pairs, the highest-scored neighbour is "acosan vs acuosa". 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 #32,463 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