# spill vs spiro

> English confusable word pair

## The two words

### spill
*verb · IPA /spɪl/ · frequency rank #9,103*
To drop something so that it spreads out or makes a mess; to accidentally pour.

### 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.

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