tee up vs tee

tee up is not a noun while tee is a noun.

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

As verbs, tee up and tee are synonyms defined as:

tee up (noun)	tee (noun)
	a short peg put into the ground to hold a golf ball off the ground
	support holding a football on end and above the ground preparatory to the kickoff
	the starting place for each hole on a golf course

tee up (verb)	tee (verb)
place on a tee	place on a tee
make detailed arrangements or preparations	connect with a tee