# span vs spasm

> English confusable word pair

## The two words

### span
*noun · IPA /spæn/ · frequency rank #6,416*
The full width of an open hand from the end of the thumb to the end of the little finger used as an informal unit of length.

### spasm
*noun · IPA /ˈspæz.m̩/ · frequency rank #35,950*
A sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ.

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