incipiency vs starting time

incipiency and starting time both are nouns.

Word	Noun	Adjective	Verb	Adverb
incipiency	Yes	No	No	No
starting time	Yes	No	No	No

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

Other hypernyms of incipiency include beginning, commencement, first, get-go, kickoff, offset, outset, showtime, start.

incipiency (noun)	starting time (noun)
beginning to exist or to be apparent	the time at which something is supposed to begin