# warfarin

> English word · Noun · IPA /ˈwɔː.fə.ɹɪn/ · frequency rank #45,163

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

## Etymology
From Wisconsin Alumni Research Foundation + (coum)arin.

## Easily confused with
- **warfare** (https://plainspell.com/en/vs/warfare-vs-warfarin)

## Common misspellings (12)
`awrfarin`, `wafrarin`, `warafrin`, `warfairn`, `warfarinn`, `warfarni`, `warfarrin`, `warffarin`, `warfrain`, `warrfarin`, `wrafarin`, `wwarfarin`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/warfarin