# effector vs effects

> English confusable word pair

## The two words

### effector
*noun · frequency rank #46,439*
Any muscle, organ etc. that can respond to a stimulus from a nerve.

### effects
*noun · IPA /ɪˈfɛkts/ · frequency rank #1,364*
plural of effect

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