acertóvsactoConfusable pair

Quick tell: acertó is a verb, acto is a noun, so they fill different roles in a sentence.

Which to use

“acertó” is a verb and “acto” is a noun - they look or sound alike but fill different roles in a sentence.

#37,925
“acertó” frequency rank
#1,077
“acto” frequency rank
39002
confusion score

Side-by-Side Comparison

Feature acertó acto
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de acertar. Consecuencia real o potencial de realizar, de llevar a cabo algo.

Where the eye mixes acertó and acto

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

6 ch
acertó
4 ch
acto

Why the eye confuses acertó with acto

These two trip readers on the page rather than in the ear: acertó is [aseɾˈt̪o] while acto is [ˈakt̪o]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39002, derived from the frequency rank of both members and their visual similarity.

acertó is recorded at frequency rank #37,925, classified as averb, pronounced [aseɾˈt̪o]. acto is at rank #1,077, tagged as anoun, pronounced [ˈakt̪o].

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 39002, this pair ranks #166,910 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of acertó vs acto

Shared letters: act. Private to "acertó": eró. Private to "acto": o.

"acertó" · 6 letters · shape VCVCCV  ·  "acto" · 4 letters · shape VCCV

Known mistypes of this pair

  • actoaccto · acot · actto · atco

Frequently Asked Questions

Is swapping "acertó" for "acto" ever safe?
No - they are not even the same part of speech. "acertó" is a verb and "acto" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "acertó" vs "acto" - which ranks higher?
"acto" is the more common of the two: it sits at frequency rank #1,077 in our Spanish list, against #37,925 for "acertó". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "acertó" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "acto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #166,910 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "acertó" and "acto" also get mixed up with nearby pairs, the highest-scored neighbour is "acertó vs acorta". 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 #166,910 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