starting point vs kickoff

starting point and kickoff both are nouns.

Word	Noun	Adjective	Verb	Adverb
starting point	Yes	No	No	No
kickoff	Yes	No	No	No

As nouns, kickoff is a hypernym of starting point; that is, kickoff is a word with a broader meaning than starting point:

Other hypernyms of starting point include beginning, commencement, first, get-go, offset, outset, showtime, start, starting time.

starting point (noun)	kickoff (noun)
earliest limiting point	(football) a kick from the center of the field to start a football game or to resume it after a score
	a start given to contestants
	the time at which something is supposed to begin