delivery vs passage

delivery and passage both are nouns.

Word	Noun	Adjective	Verb	Adverb
delivery	Yes	No	No	No
passage	Yes	No	No	No

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

delivery: the act of delivering or distributing something (as goods or mail)
passage: the act of passing something to another person

Other hyponyms of delivery include airdrop, consignment, handing over, post, service, service of process, serving.

delivery (noun)	passage (noun)
recovery or preservation from loss or danger	a journey usually by ship
the voluntary transfer of something (title or possession) from one party to another	the passing of a law by a legislative body
the act of delivering a child	the act of passing something to another person
the act of throwing a baseball or softball by the pitcher towards home plate, which initiates play by giving the batter a chance to hit it	the act of passing from one state or place to the next
the act of delivering or distributing something (as goods or mail)	a bodily reaction of changing from one place or stage to another
your characteristic style or manner of expressing yourself orally	a way through or along which someone or something may pass
the event of giving birth	a path or channel or duct through or along which something may pass
	a section of text; particularly a section of medium length
	a short section of a musical composition
	the motion of one object relative to another