# pir vs ppm

> English confusable word pair

## The two words

### pir
*noun · IPA /pɪə/ · frequency rank #47,260*
A Muslim holy man or religious leader, especially Sufi.

### ppm
*noun · frequency rank #23,949*
Initialism of parts per million (10000 ppm = 1%).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/pir-vs-ppm