# hydraulic vs hydraulics

> English confusable word pair

## The two words

### hydraulic
*adjective · IPA /haɪˈdɹɒlɪk/ · frequency rank #10,865*
Pertaining to water.

### hydraulics
*noun · IPA /haɪˈdɹɒlɪks/ · frequency rank #34,528*
The engineering science that deals with practical applications where liquid is in motion and transmits energy.

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