warfarin

/ˈwɔː.fə.ɹɪn/

//ˈwɔː.fə.ɹɪn// noun

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

"warfarin" is a 8-letter English headword indexed on PlainSpell.

The verdict

“warfarin” has 12 generated spelling variants in the English index at frequency #45,163. The variants make it a useful spelling check.

#45,163
frequency rank, English
1,759
“W” headwords
12
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A coumarin salt, warfarin sodium, found in certain clovers, that retards blood coagulation

Corpus desk

Index EN-warfarin · warfarin · English

warfarin · rank #45,163 · 12 variants · 1 confusable

  • FREQ-MID #45,163
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 1 pairs
  • VAR-MID 12 variants
  • BOOK-MID 1,759
  • PHOTO-FINISH wallaby

Nearest frequency peer: wallaby (-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 “warfarin”

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

corpus weight

What this shows “warfarin” 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).

warfarin vs warfare
75% similar

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

Key facts for warfarin
PropertyValue
Headwordwarfarin
LanguageEnglish
Part of speechNoun
IPA/ˈwɔː.fə.ɹɪn/
Letters8
Frequency rank#45,163
Misspellings tracked12
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “warfarin”

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).warfarinlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “wallaby” (#45,162), “Westphalia” (#45,167), “vole” (#45,158). Among 1,759 “W” headwords, “warfarin” is #45,163. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around warfarin (IPA /ˈwɔː.fə.ɹɪn/), anoun. Corpus frequency is #45,163 among 1,759 “W” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for warfarin, with forms such as "awrfarin", "wafrarin", and "warafrin". 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 1 confusable-pair relationship, "warfare", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Wisconsin Alumni Research Foundation + (coum)arin. The correct English form is warfarin, spelled W-A-R-F-A-R-I-N.

Definition

  1. 1
    A coumarin salt, warfarin sodium, found in certain clovers, that retards blood coagulation
  2. 2
    A coumarin salt, warfarin sodium, found in certain clovers, that retards blood coagulation:
  3. 3
    A coumarin salt, warfarin sodium, found in certain clovers, that retards blood coagulation:

Recorded use

Wiktionary example

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

  1. In the case of pathological hypercoagulative conditions such as thrombosis and embolism, 4-hydroxycoumarin based oral anticoagulants, including warfarin as a well-known example, are administered to block the enzymatic function of VKORC1, effectively diminishing turnover of the vitamin K cycle.

Etymology

From Wisconsin Alumni Research Foundation + (coum)arin.

Common misspellings

Also misspelled as:

  • awrfarin
  • wafrarin
  • warafrin
  • warfairn
  • warfarinn
  • warfarni
  • warfarrin
  • warffarin
  • warfrain
  • warrfarin
  • wrafarin
  • wwarfarin

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of warfarin - 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.

awrfarin2wafrarin2warafrin2warfairn2warfarinn1warfarni2warfarrin1warffarin1
Edit distance from "warfarin"

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 "warfarin"?
"warfarin" is spelled W-A-R-F-A-R-I-N. The IPA pronunciation is /ˈwɔː.fə.ɹɪn/.
What does "warfarin" mean?
As a noun, "warfarin" means: A coumarin salt, warfarin sodium, found in certain clovers, that retards blood coagulation
What words are commonly confused with "warfarin"?
"warfarin" is commonly confused with "warfare". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "warfarin"?
The IPA (International Phonetic Alphabet) transcription for "warfarin" is /ˈwɔː.fə.ɹɪn/. 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 "warfarin"?
From Wisconsin Alumni Research Foundation + (coum)arin. 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 "warfarin", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

wildwood#45,171upmarket#45,149unneeded#45,147trawling#45,132

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

applesauce12 variantsBalmoral12 variantsstrainer12 variantsspreader12 variants

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

Source: FrequencyWords open word-frequency list