vacilarvsvigilarWhich spelling fits?

Which to use

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

#38,440
“vacilar” frequency rank
#8,739
“vigilar” frequency rank
47179
confusion score

Side-by-Side Comparison

Feature vacilar vigilar
Definition Moverse con inseguridad, sin paso firme o de modo indeterminado. Seguir intencionadamente el comportamiento de alguien o algo.

Where the eye mixes vacilar and vigilar

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. vacilar and vigilar follow the identical consonant-vowel pattern (CVCVCVC). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
vacilar
7 ch
vigilar

Visual trap between vacilar and vigilar

A purely visual mix-up. vacilar ([basiˈlaɾ]) and vigilar ([bixiˈlaɾ]) 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 47179, derived from the frequency rank of both members and their visual similarity.

vacilar is recorded at frequency rank #38,440, classified as averb, pronounced [basiˈlaɾ]. vigilar is at rank #8,739, tagged as averb, pronounced [bixiˈlaɾ].

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 47179, this pair ranks #121,504 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of vacilar vs vigilar

Shared letters: ailrv. Private to "vacilar": c. Private to "vigilar": g.

"vacilar" · 7 letters · shape CVCVCVC  ·  "vigilar" · 7 letters · shape CVCVCVC

Known mistypes of this pair

  • vacilar ← avcilar · bacilar · vaccilar · vacialr · vacilarr · vacillar · vacilra · vacliar
  • vigilar ← bigilar · ivgilar · vgiilar · viggilar · vigialr · vigilarr · vigillar · vigilra

Frequently Asked Questions

Is swapping "vacilar" for "vigilar" ever safe?
No. They are said differently ([basiˈlaɾ] versus [bixiˈlaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "vacilar" or "vigilar"?
"vigilar" is the more common of the two: it sits at frequency rank #8,739 in our Spanish list, against #38,440 for "vacilar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "vacilar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "vigilar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #121,504 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "vacilar" and "vigilar" 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 #121,504 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