vilesvsvirusWhich spelling fits?

Quick tell: viles is a adjective, virus is a noun, so they fill different roles in a sentence.

Which to use

“viles” is an adjective and “virus” is a noun - they look or sound alike but fill different roles in a sentence.

#34,399
“viles” frequency rank
#2,961
“virus” frequency rank
37360
confusion score

Side-by-Side Comparison

Feature viles virus
Definition Forma del plural de vil. Agente infeccioso compuesto de ácido nucleico rodeado por proteínas, y que sólo se reproduce dentro de sus célula hospedadoras, usando los orgánulos de éstas.

Where the eye mixes viles and virus

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
viles
5 ch
virus

Visual trap between viles and virus

These two trip readers on the page rather than in the ear: viles is [ˈbiles] while virus is [ˈbiɾus]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 37360, derived from the frequency rank of both members and their visual similarity.

viles is recorded at frequency rank #34,399, classified as anadj, pronounced [ˈbiles]. virus is at rank #2,961, tagged as anoun, pronounced [ˈbiɾus].

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 37360, this pair ranks #175,725 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of viles vs virus

Shared letters: isv. Private to "viles": el. Private to "virus": ru.

"viles" · 5 letters · shape CVCVC  ·  "virus" · 5 letters · shape CVCVC

Known mistypes of this pair

  • vilesbiles · ivles · viels · viless · villes · vilse · vlies · vviles
  • virusbirus · ivrus · virrus · virsu · viruss · viurs · vrius · vvirus

Frequently Asked Questions

Can "viles" and "virus" be used interchangeably?
No - they are not even the same part of speech. "viles" is an adjective and "virus" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "viles" vs "virus" - which ranks higher?
"virus" is the more common of the two: it sits at frequency rank #2,961 in our Spanish list, against #34,399 for "viles". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "viles" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "virus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #175,725 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "viles" and "virus" also get mixed up with nearby pairs, the highest-scored neighbour is "viles vs visos". 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 #175,725 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