# stiffness vs stillness

> English confusable word pair

## The two words

### stiffness
*noun · frequency rank #22,516*
Rigidity or a measure of rigidity.

### stillness
*noun · IPA /ˈstɪlnəs/ · frequency rank #29,846*
The quality or state of being still.

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