# six vs sub

> English confusable word pair

## The two words

### six
*num · IPA /sɪks/ · frequency rank #519*
A numerical value equal to 6; the number following five and preceding seven. This number of dots: (••••••).

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

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