# pi vs pm

> Spanish confusable word pair

## The two words

### pi
*noun · IPA [ˈpi] · frequency rank #9,175*
Decimosexta letra del alfabeto griego (Π, π).

### pm
*noun · IPA [ˈpm] · frequency rank #3,281*
Abreviatura de picómetro.

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