Which to use
“vir” and “virus” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #35,303
- “vir” frequency rank
- #2,961
- “virus” frequency rank
- 38264
- confusion score
Side-by-Side Comparison
| Feature | vir | virus |
|---|---|---|
| Definition | Mutación suave del sustantivo femenino bir ('flecha') | 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 vir and virus
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses vir with virus
A purely visual mix-up. vir ([ˈviːr]) and virus ([ˈbiɾus]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “vir” sits inside “virus”. Our composite confusion score for this pair is 38264, derived from the frequency rank of both members and their visual similarity.
vir is recorded at frequency rank #35,303, classified as anoun, pronounced [ˈviːr]. 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 38264, this pair ranks #170,965 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of vir vs virus
Shared letters: irv. Private to "vir": -. Private to "virus": su.
"vir" · 3 letters · shape CVC · "virus" · 5 letters · shape CVCVC
Known mistypes of this pair
- virus ← birus · ivrus · virrus · virsu · viruss · viurs · vrius · vvirus
Frequently Asked Questions
Do "vir" and "virus" mean the same thing in a sentence?
Which is more common, "vir" or "virus"?
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 "vir" 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 #170,965 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "vir" and "virus" also get mixed up with nearby pairs, the highest-scored neighbour is "vir vs VOR". 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 #170,965 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.