# caster vs castor

> English confusable word pair

## The two words

### caster
*noun · IPA /ˈkɑːstə(ɹ)/ · frequency rank #25,312*
Someone or something that casts.

### castor
*noun · IPA /ˈkɑːs.tə/ · frequency rank #22,921*
A hat made from the fur of the beaver.

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