# key vs KS

> English confusable word pair

## The two words

### key
*noun · IPA /kiː/ · frequency rank #788*
An object designed to open and close a lock.

### KS
*noun · frequency rank #14,578*
Initialism of Kaposi's sarcoma.

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