# endogenous vs exogenous

> English confusable word pair

## The two words

### endogenous
*adjective · IPA /ɪnˈdɒd͡ʒ.ə.nəs/ · frequency rank #29,257*
Produced, originating or growing from within.

### exogenous
*adjective · IPA /ɛkˈsɒd͡ʒ.ɪ.nəs/ · frequency rank #40,688*
Having an external cause.

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