# castor vs coaster

> English confusable word pair

## The two words

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

### coaster
*noun · IPA /ˈkəʊ̯s.tə/ · frequency rank #11,357*
A person who originates from or inhabits a coastal area.

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