# luna vs lunacy

> English confusable word pair

## The two words

### luna
*noun · IPA /ˈluːnə/ · frequency rank #12,634*
A luna moth: a member of species Actias luna.

### lunacy
*noun · IPA /ˈluː.nə.si/ · frequency rank #32,485*
The state of being mad, insanity

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/luna-vs-lunacy