# soi vs sub

> English confusable word pair

## The two words

### soi
*noun · frequency rank #34,694*
In Thailand, a side-street branching off a major street; an alley or lane.

### 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/soi-vs-sub