# lime vs lum

> English confusable word pair

## The two words

### lime
*noun · IPA /laɪm/ · frequency rank #8,814*
Any inorganic material containing calcium, usually calcium oxide (quicklime) or calcium hydroxide (slaked lime).

### lum
*noun · IPA /lʌm/ · frequency rank #47,736*
A chimney; also, the top part of a chimney.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/lime-vs-lum