# vo vs VX

> English confusable word pair

## The two words

### vo
*noun · frequency rank #25,971*
Obsolete form of voe (“sea inlet”).

### VX
*name · frequency rank #40,510*
The nerve agent O-ethyl S-[2-(diisopropylamino)ethyl] methylphosphonothioate.

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