# their vs then

> English confusable word pair

## The two words

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

### then
*adverb · IPA /ðɛn/ · frequency rank #91*
At that time.

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