What is a word beginning with the letter k?

Two letter Words are frequently abbreviations.

Ka -- a Cirque du Soleil show

Kb -- kilobyte

KC -- Kansas City

K.D. -- Singer Lang

KE -- kinetic energy

kg -- kilogram

ki -- Chinese life force

kJ -- kilojoule

kl -- kiloliter

km -- kilometer

KN -- the King's knight

KO -- knockout

KP -- kitchen police

Kr -- krypton

KS -- Kansas

Kt -- knight

Ku -- kurchatovium

kV -- kilovolt

kW -- kilowatt

KY -- Kentucky