# sole vs SPL

> English confusable word pair

## The two words

### sole
*adjective · IPA /səʊl/ · frequency rank #4,411*
Only.

### SPL
*noun · frequency rank #35,953*
Initialism of senior patrol leader.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/vs/sole-vs-spl