vacavsvacilaWhich spelling fits?

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

Which to use

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

#5,447
“vaca” frequency rank
#49,336
“vacila” frequency rank
54783
confusion score

Side-by-Side Comparison

Feature vaca vacila
Definition (Bos taurus) Denominación común de la hembra de la especie bovina. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de vacilar.

Where the eye mixes vaca and vacila

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
vaca
6 ch
vacila

Why the eye confuses vaca with vacila

These two trip readers on the page rather than in the ear: vaca is [ˈbaka] while vacila is [baˈsila]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 54783, derived from the frequency rank of both members and their visual similarity.

vaca is recorded at frequency rank #5,447, classified as anoun, pronounced [ˈbaka]. vacila is at rank #49,336, tagged as averb, pronounced [baˈsila].

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 54783, this pair ranks #81,822 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of vaca vs vacila

Shared letters: acv. Private to "vaca": -. Private to "vacila": il.

"vaca" · 4 letters · shape CVCV  ·  "vacila" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • vacaavca · vaac · vacca · vcaa · vvaca
  • vacilaavcila · bacila · vaccila · vacial · vacilla · vaclia · vaicla · vasila

Frequently Asked Questions

Is swapping "vaca" for "vacila" ever safe?
No - they are not even the same part of speech. "vaca" is a noun and "vacila" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "vaca" vs "vacila" - which ranks higher?
"vaca" is the more common of the two: it sits at frequency rank #5,447 in our Spanish list, against #49,336 for "vacila". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "vaca" and "vacila" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "vaca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "vacila" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #81,822 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "vaca" and "vacila" also get mixed up with nearby pairs, the highest-scored neighbour is "vacila vs vacilar". 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 #81,822 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