# vac vs VX

> English confusable word pair

## The two words

### vac
*noun · IPA /væk/ · frequency rank #31,026*
Clipping of vacation (“extended period of time away from work or school”).

### 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/vac-vs-vx