Which to use
“vice” and “viper” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #2,024
- “vice” frequency rank
- #19,500
- “viper” frequency rank
- 21524
- confusion score
Side-by-Side Comparison
| Feature | vice | viper |
|---|---|---|
| Definition | Bad or immoral behaviour. | A venomous snake in the family Viperidae. |
Where the eye mixes vice and viper
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: vice vs viper
A purely visual mix-up. vice (/vaɪs/) and viper (/ˈvaɪpɚ/) 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 1 letter(s) in length. Our composite confusion score for this pair is 21524, derived from the frequency rank of both members and their visual similarity.
vice is recorded at frequency rank #2,024, classified as anoun, pronounced /vaɪs/. viper is at rank #19,500, tagged as anoun, pronounced /ˈvaɪpɚ/.
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 21524, this pair ranks #423,262 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of vice vs viper
Shared letters: eiv. Private to "vice": c. Private to "viper": pr.
"vice" · 4 letters · shape CVCV · "viper" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "vice" and "viper" mean the same thing in a sentence?
Frequency check: "vice" vs "viper" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "vice" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "viper" - compare definitions side by side with the headword page. Word entry
- This pair ranks #423,262 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "vice" and "viper" also get mixed up with nearby pairs, the highest-scored neighbour is "viper vs vizier". 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 #423,262 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.