# K9 vs kk

> English confusable word pair

## The two words

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

### kk
*phrase · frequency rank #22,719*
Okay (indicates that no further explanation is necessary for a subject, or that the message was understood and will be acted upon without further confirmation).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/k9-vs-kk