# prosthesis vs prosthetics

> English confusable word pair

## The two words

### prosthesis
*noun · IPA /pɹɒsˈθiːsɪs/ · frequency rank #37,173*
An artificial replacement for a body part, either internal or external.

### prosthetics
*noun · IPA /pɹɒsˈθɛtɪks/ · frequency rank #37,174*
plural of prosthetic

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