# sik vs sub

> English confusable word pair

## The two words

### sik
*adjective · frequency rank #40,893*
Alternative form of sick (“cool, excellent”).

### sub
*noun · IPA /sʌb/ · frequency rank #2,236*
Abbreviation of submarine.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/sik-vs-sub