# IP vs IRS

> English confusable word pair

## The two words

### IP
*adjective · frequency rank #6,700*
Initialism of intraperitoneal.

### IRS
*name · IPA /ˈaɪ.ɑɹ.ɛs/ · frequency rank #8,440*
Initialism of Internal Revenue Service.

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