# spiro vs stir

> English confusable word pair

## The two words

### spiro
*noun · IPA /ˈspɪɹəʊ/ · frequency rank #40,900*
A polycyclic compound or system that contains a single atom as the only common member of two rings.

### stir
*verb · IPA /stɜː/ · frequency rank #7,614*
To disturb the relative position of the particles (of a liquid or similar) by passing an object through it.

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