# side vs SPD

> English confusable word pair

## The two words

### side
*noun · IPA /saɪd/ · frequency rank #297*
A bounding straight edge of a two-dimensional shape.

### SPD
*noun · frequency rank #20,781*
Initialism of schizoid personality disorder.

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