# theory vs they

> English confusable word pair

## The two words

### theory
*noun · IPA /ˈθɪə.ɹi/ · frequency rank #1,412*
A description of an event or system that is considered to be accurate.

### they
*pronoun · IPA /ˈðeɪ̯/ · frequency rank #35*
A group of entities previously mentioned.

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