viper

/ˈvaɪpɚ/

//ˈvaɪpɚ// noun

By · According to Wiktionary data (CC BY-SA) ·

"viper" is a 5-letter English headword indexed on PlainSpell.

The verdict

“viper” has 7 generated spelling variants in the English index at frequency #19,500. The variants make it a useful spelling check.

#19,500
frequency rank, English
969
“V” headwords
7
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A venomous snake in the family Viperidae.

Corpus desk

Index EN-viper · viper · English

viper · rank #19,500 · 7 variants · 20 confusables

  • FREQ-MID #19,500
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 7 variants
  • BOOK-MID 969
  • PHOTO-FINISH vigilante

Nearest frequency peer: vigilante (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “viper”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “viper” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

viper vs vive
60% similar
viper vs vise
60% similar
viper vs voter
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for viper
PropertyValue
Headwordviper
LanguageEnglish
Part of speechNoun
IPA/ˈvaɪpɚ/
Letters5
Frequency rank#19,500
Misspellings tracked7
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “viper”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).viperlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “vigilante” (#19,499), “valiant” (#19,498), “weekday” (#19,502). Among 969 “V” headwords, “viper” is #19,500. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 7 spelling variants around viper (IPA /ˈvaɪpɚ/), anoun. Corpus frequency is #19,500 among 969 “V” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 7 likely wrong-spelling variants for viper, with forms such as "ivper", "viepr", and "viperr". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "vive", "vise", "voter", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle French vipere, from Old French vipre, from Latin vīpera, contracted from vīvipara f (“viviparous”, adj.), from vīvus (“alive”, adj.) + parere (“to bear”, verb). Doublet of weever and wyvern. The correct English form is viper, spelled V-I-P-E-R.

Definition

  1. 1
    A venomous snake in the family Viperidae.
  2. 2
    Any venomous snake.
  3. 3
    A dangerous, treacherous, or malignant person.
  4. 4
    A person who smokes marijuana.

Recorded use

Wiktionary examples

These source excerpts show how viper appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. And aggravate my folly who committed / To ſuch a viper his moſt ſacred truſt / Of ſecreſie, my ſafety, and my life.
  2. Consider, for the love of Heaven, to what you run madly: will you take this viper into your bed?

Etymology

From Middle French vipere, from Old French vipre, from Latin vīpera, contracted from vīvipara f (“viviparous”, adj.), from vīvus (“alive”, adj.) + parere (“to bear”, verb). Doublet of weever and wyvern.

This word in other languages

víbora(Español)vipère(Français)Kreuzotter(Deutsch)

Common misspellings

Also misspelled as:

  • ivper
  • viepr
  • viperr
  • vipper
  • vipre
  • vpier
  • vviper

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of viper - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

ivper2viepr2viperr1vipper1vipre2vpier2vviper1
Edit distance from "viper"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "viper"?
"viper" is spelled V-I-P-E-R. The IPA pronunciation is /ˈvaɪpɚ/.
What does "viper" mean?
As a noun, "viper" means: A venomous snake in the family Viperidae.
What words are commonly confused with "viper"?
"viper" is commonly confused with "vive", "vise", "voter". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "viper"?
The IPA (International Phonetic Alphabet) transcription for "viper" is /ˈvaɪpɚ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "viper"?
From Middle French vipere, from Old French vipre, from Latin vīpera, contracted from vīvipara f (“viviparous”, adj.), from vīvus (“alive”, adj.) + parere (“to bear”, verb). Doublet of weever and wyvern. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "viper", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

Turin#19,491Timmy#19,486thine#19,485ASEAN#19,521

Similar misspelling depth

Headwords with a similar count of attested misspellings (7 here; floor ≥5).

auntie7 variantsshite7 variantsscuba7 variantsRufus7 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list