# vas vs VX

> English confusable word pair

## The two words

### vas
*noun · IPA /ˈvæs/ · frequency rank #28,419*
A vessel or duct transporting any bodily fluid, such as blood, lymph, chyle, or semen.

### 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/vas-vs-vx