# cog vs cup

> English confusable word pair

## The two words

### cog
*noun · IPA /kɒɡ/ · frequency rank #28,496*
A tooth on a gear.

### cup
*noun · IPA /kʌp/ · frequency rank #805*
A concave vessel for drinking, usually made of opaque material (as opposed to a glass) and with a handle.

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