# costly vs cosy

> English confusable word pair

## The two words

### costly
*adjective · IPA /ˈkɒst.li/ · frequency rank #7,899*
Of high cost; expensive.

### cosy
*adjective · IPA /ˈkəʊzi/ · frequency rank #19,301*
Affording comfort and warmth; snug; social and comfortable.

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