# coder vs cotter

> English confusable word pair

## The two words

### coder
*noun · frequency rank #42,066*
A device that generates a code, often as a series of pulses.

### cotter
*noun · IPA /kɒtə/ · frequency rank #37,401*
A pin or wedge inserted through a slot to hold machine parts together.

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