hook up vs hook

hook up is not a noun while hook is a noun.

Word	Noun	Adjective	Verb	Adverb
hook up	No	No	Yes	No
hook	Yes	No	Yes	No

hook up (noun)	hook (noun)
	a short swinging punch delivered from the side with the elbow bent
	a golf shot that curves to the left for a right-handed golfer
	a basketball shot made over the head with the hand that is farther from the basket
	a curved or bent implement for suspending or pulling something
	a mechanical device that is curved or bent to suspend or hold or pull something
	a catch for locking a door
	anything that serves as an enticement
	a sharp curve or crook; a shape resembling a hook

hook up (verb)	hook (verb)
connect or link	approach with an offer of sexual favors
	entice and trap
	secure with the foot
	to cause (someone or oneself) to become dependent (on something, especially a narcotic drug)
	fasten with a hook
	catch with a hook
	hit with a hook
	hit a ball and put a spin on it so that it travels to the left
	make a piece of needlework by interlocking and looping thread with a hooked needle
	make off with belongings of others
	take by theft
	rip off; ask an unreasonable price