# their vs theism

> English confusable word pair

## The two words

### their
*determiner · IPA /ðɛə/ · frequency rank #56*
Belonging to, from, of, or relating to, them (plural).

### theism
*noun · IPA /ˈθiː.ɪz.əm/ · frequency rank #47,959*
Belief in the existence of at least one deity.

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