# treaties vs treatise

> English confusable word pair

## The two words

### treaties
*noun · IPA /ˈtɹiːtiz/ · frequency rank #11,141*
plural of treaty

### treatise
*noun · IPA /ˈtɹiːtɪs/ · frequency rank #17,739*
A formal, usually lengthy, systematic discourse on some subject.

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