acervsactoWhat's the difference?

Which to use

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

#25,878
“acer” frequency rank
#1,077
“acto” frequency rank
26955
confusion score

Side-by-Side Comparison

Feature acer acto
Definition Acero. Consecuencia real o potencial de realizar, de llevar a cabo algo.

Where the eye mixes acer and acto

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

4 ch
acer
4 ch
acto

Why the eye confuses acer with acto

A purely visual mix-up. acer ([əˈse]) and acto ([ˈakt̪o]) 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 26955, derived from the frequency rank of both members and their visual similarity.

acer is recorded at frequency rank #25,878, classified as anoun, pronounced [əˈse]. 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 26955, this pair ranks #229,135 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of acer vs acto

Shared letters: ac. Private to "acer": er. Private to "acto": ot.

"acer" · 4 letters · shape VCVC  ·  "acto" · 4 letters · shape VCCV

Known mistypes of this pair

  • aceraccer · acerr · aecr · aser
  • actoaccto · acot · actto · atco

Frequently Asked Questions

Is swapping "acer" for "acto" ever safe?
No. They are said differently ([əˈse] versus [ˈakt̪o]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "acer" or "acto"?
"acto" is the more common of the two: it sits at frequency rank #1,077 in our Spanish list, against #25,878 for "acer". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "acer" 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 #229,135 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "acer" and "acto" also get mixed up with nearby pairs, the highest-scored neighbour is "abed vs acer". 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 #229,135 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