vacinarvsvalidarWhat's the difference?

Which to use

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

#40,378
“vacinar” frequency rank
#28,413
“validar” frequency rank
68791
confusion score

Side-by-Side Comparison

Feature vacinar validar
Definition praticar a vacinação em tornar(-se) válido, legítimo, legal.

Where the eye mixes vacinar and validar

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
vacinar
7 ch
validar

Visual trap between vacinar and validar

A purely visual mix-up. vacinar (/vɐ.si.ˈnaɾ/) and validar (/vɐ.li.ˈdaɾ/) 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 68791, derived from the frequency rank of both members and their visual similarity.

vacinar is recorded at frequency rank #40,378, classified as averb, pronounced /vɐ.si.ˈnaɾ/. validar is at rank #28,413, tagged as averb, pronounced /vɐ.li.ˈdaɾ/.

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 68791, this pair ranks #4,160 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of vacinar vs validar

Shared letters: airv. Private to "vacinar": cn. Private to "validar": dl.

"vacinar" · 7 letters · shape CVCVCVC  ·  "validar" · 7 letters · shape CVCVCVC

Known mistypes of this pair

  • vacinaravcinar · vaccinar · vacianr · vacinarr · vacinnar · vacinra · vacniar · vaicnar
  • validaravlidar · vaildar · valdiar · valiadr · validarr · validdar · validra · vallidar

Frequently Asked Questions

Is swapping "vacinar" for "validar" ever safe?
No. They are said differently (/vɐ.si.ˈnaɾ/ versus /vɐ.li.ˈdaɾ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "vacinar" or "validar"?
"validar" is the more common of the two: it sits at frequency rank #28,413 in our Portuguese list, against #40,378 for "vacinar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "vacinar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "validar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #4,160 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "vacinar" and "validar" 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 #4,160 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