The initial idioms of the letter K

Jack Ketch	kettle
kevork	kewl
kewpie doll	key figure
key grip	key in
key to	key to success
key up	keyed
keyed up	keyed up to the roof
key	the keys to the kingdom
keyster	Keystone Kops
ki	KIBO
kibosh	kick
kick (someone or something) to the curb	kick a habit
kick about	kick against
kick against the pricks	kick around
kick aside	kick ass