vacavsvacinaWhat's the difference?

Which to use

“vaca” and “vacina” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,687
“vaca” frequency rank
#6,484
“vacina” frequency rank
11171
confusion score

Side-by-Side Comparison

Feature vaca vacina
Definition feminino de boi preparação usada como inoculação preventiva para dar imunidade contra uma doença específica e que usualmente emprega uma forma enfraquecida do agente patogênico

Letter map: vaca vs vacina

Shared letters muted; letters that set vaca and vacina apart highlighted. Shared run: 4.

4 ch
vaca
6 ch
vacina

Pair insight - vaca / vacina

vaca and vacina are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 11171, derived from the frequency rank of both members and their visual similarity.

vaca is recorded at frequency rank #4,687, classified as anoun, pronounced [ˈväkɐ]. vacina is at rank #6,484, tagged as anoun.

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 11171, this pair ranks #61,746 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of vaca vs vacina

Shared letters: acv. Private to "vaca": -. Private to "vacina": in.

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

Known mistypes of this pair

  • vacaavca · vaac · vacca · vcaa · vvaca
  • vacinaavcina · vaccina · vacian · vacinna · vacnia · vaicna · vcaina · vvacina

Frequently Asked Questions

Do "vaca" and "vacina" mean the same thing in a sentence?
No. They differ by 2 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "vaca" vs "vacina" - which ranks higher?
"vaca" is the more common of the two: it sits at frequency rank #4,687 in our Portuguese list, against #6,484 for "vacina". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "vaca" and "vacina".

  • Full dictionary entry for "vaca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "vacina" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,746 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "vaca" and "vacina" also get mixed up with nearby pairs, the highest-scored neighbour is "vacina vs vacinar". 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 #61,746 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list