# PID vs pin

> English confusable word pair

## The two words

### PID
*noun · frequency rank #35,879*
Initialism of pelvic inflammatory disease.

### pin
*noun · IPA /pɪn/ · frequency rank #4,475*
A needle without an eye (usually) made of drawn-out steel wire with one end sharpened and the other flattened or rounded into a head, used for fastening.

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