Which to use
“vacilar” is a verb and “vacina” is a noun - they look or sound alike but fill different roles in a sentence.
- #40,377
- “vacilar” frequency rank
- #6,484
- “vacina” frequency rank
- 46861
- confusion score
Side-by-Side Comparison
| Feature | vacilar | vacina |
|---|---|---|
| Definition | balançar, cambalear, oscilar, tremer | preparação usada como inoculação preventiva para dar imunidade contra uma doença específica e que usualmente emprega uma forma enfraquecida do agente patogênico |
Letter map: vacilar vs vacina
Shared letters muted; letters that set vacilar and vacina apart highlighted. Shared run: 5. vacilar runs 7 letters (CVCVCVC) against vacina's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: vacilar vs vacina
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: vacilar is averb and vacinaanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46861, derived from the frequency rank of both members and their visual similarity.
vacilar is recorded at frequency rank #40,377, classified as averb, pronounced /vɐ.si.ˈlaɾ/. 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 46861, this pair ranks #18,442 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of vacilar vs vacina
Shared letters: aciv. Private to "vacilar": lr. Private to "vacina": n.
"vacilar" · 7 letters · shape CVCVCVC · "vacina" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "vacilar" for "vacina" ever safe?
In ordinary Portuguese text, does "vacilar" or "vacina" show up more?
Useful next steps
You've compared "vacilar" and "vacina". Here's where to go from here.
- Full dictionary entry for "vacilar" 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 #18,442 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "vacilar" and "vacina" also get mixed up with nearby pairs, the highest-scored neighbour is "vacilar 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 #18,442 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.