tee vs teeing ground

tee and teeing ground both are nouns.

Word	Noun	Adjective	Verb	Adverb
tee	Yes	No	Yes	No
teeing ground	Yes	No	No	No

As nouns, tee and teeing ground are synonyms defined as:

tee and teeing ground: the starting place for each hole on a golf course

tee (noun)	teeing ground (noun)
a short peg put into the ground to hold a golf ball off the ground	the starting place for each hole on a golf course
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 (verb)	teeing ground (verb)
place on a tee
connect with a tee