incoming vs admission

incoming and admission both are nouns.

Word	Noun	Adjective	Verb	Adverb
incoming	Yes	Yes	No	No
admission	Yes	No	No	No

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

incoming (noun)	admission (noun)
the act of entering	the act of admitting someone to enter
	the right to enter
	an acknowledgment of the truth of something
	the fee charged for admission

incoming (adjective)	admission (adjective)
arriving at a place or position
entering upon a position of office vacated by another