# k vs K9

> English confusable word pair

## The two words

### k
*character · IPA /keɪ/ · frequency rank #1,310*
The eleventh letter of the English alphabet, called kay and written in the Latin script.

### K9
*noun · IPA /ˈkeɪnaɪn/ · frequency rank #36,625*
A trained police dog.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/k-vs-k9