showtime vs incipience

showtime and incipience both are nouns.

Word	Noun	Adjective	Verb	Adverb
showtime	Yes	No	No	No
incipience	Yes	No	No	No

As nouns, incipience is a hyponym of showtime; that is, incipience is a word with a more specific, narrower meaning than showtime:

Other hyponyms of showtime include birth, incipiency, starting point, terminus a quo, threshold.

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