VieravsvísperaTell them apart

Quick tell: Viera is a name, víspera is a noun, so they fill different roles in a sentence.

Which to use

“Viera” is a name and “víspera” is a noun - they look or sound alike but fill different roles in a sentence.

#8,738
“Viera” frequency rank
#12,739
“víspera” frequency rank
21477
confusion score

Side-by-Side Comparison

Feature Viera víspera
Definition Apellido. Día que antecede inmediatamente a otro determinado, especialmente si es fiesta.

Where the eye mixes Viera and víspera

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Viera runs 5 letters (CVVCV) against víspera's 7 (CVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Viera
7 ch
víspera

Why the eye confuses Viera with víspera

These two trip readers on the page rather than in the ear: Viera is [ˈbjeɾa] while víspera is [ˈbispeɾa]. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 21477, derived from the frequency rank of both members and their visual similarity.

Viera is recorded at frequency rank #8,738, classified as aname, pronounced [ˈbjeɾa]. víspera is at rank #12,739, tagged as anoun, pronounced [ˈbispeɾa].

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 21477, this pair ranks #254,759 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Viera vs víspera

Shared letters: aerv. Private to "Viera": i. Private to "víspera": psí.

"Viera" · 5 letters · shape CVVCV  ·  "víspera" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • Viera ← biera · ivera · veira · viear · vierra · virea · vviera

Frequently Asked Questions

Is swapping "Viera" for "víspera" ever safe?
No - they are not even the same part of speech. "Viera" is a name and "víspera" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "Viera" or "víspera" show up more?
"Viera" is the more common of the two: it sits at frequency rank #8,738 in our Spanish list, against #12,739 for "víspera". 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 "Viera" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "víspera" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #254,759 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Viera" and "víspera" also get mixed up with nearby pairs, the highest-scored neighbour is "Viera vs Vira". 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 #254,759 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