# insomnia vs insomniac

> English confusable word pair

## The two words

### insomnia
*noun · IPA /ɪnˈsɒmniə/ · frequency rank #16,501*
A sleeping disorder that is known for its symptoms of unrest and the inability to sleep.

### insomniac
*noun · IPA /ɪnˈsɒm.ni.æk/ · frequency rank #45,992*
One who suffers an inability or difficulty sleeping; a sufferer from insomnia.

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