# pia vs pika

> English confusable word pair

## The two words

### pia
*noun · frequency rank #25,172*
The pia mater, the innermost of the meninges that protect the brain and spinal cord.

### pika
*noun · IPA /ˈpiːkə/ · frequency rank #48,970*
Any of several small, furry mammals, similar to guinea pigs, but related to rabbits, of the genus Ochotona, from the mountains of North America and Asia.

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