# lice vs lichen

> English confusable word pair

## The two words

### lice
*noun · IPA /laɪs/ · frequency rank #22,140*
plural of louse

### lichen
*noun · IPA /ˈlaɪ.kən/ · frequency rank #38,474*
Any of many symbiotic organisms, being associations of algae and fungi, often found as white or yellow-to-blue–green patches on rocks, old walls, etc.

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