# exercise vs expertise

> English confusable word pair

## The two words

### exercise
*noun · IPA /ˈɛk.sə.saɪz/ · frequency rank #2,109*
Any activity designed to develop or hone a skill or ability.

### expertise
*noun · IPA /ˌɛkspɜːˈtiːz/ · frequency rank #6,467*
Great skill or knowledge in a particular field or hobby.

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