# IA vs IH

> English confusable word pair

## The two words

### IA
*name · frequency rank #11,234*
Abbreviation of Iowa: a state of the United States.

### IH
*noun · frequency rank #35,767*
Initialism of industrial hygiene.

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