passageway vs gate

passageway and gate both are nouns.

Word	Noun	Adjective	Verb	Adverb
passageway	Yes	No	No	No
gate	Yes	No	Yes	No

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

passageway: a passage between rooms or between buildings
gate: passageway (as in an air terminal) where passengers can embark or disembark

Other hyponyms of passageway include aisle, gangway, arcade, areaway, corridor, drift, gallery, heading, gangway, shaft, tunnel, walk-through.

passageway (noun)	gate (noun)
a passage between rooms or between buildings	a movable barrier in a fence or wall
a path or channel or duct through or along which something may pass	a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs
	passageway (as in an air terminal) where passengers can embark or disembark
	total admission receipts at a sports event

passageway (verb)	gate (verb)
	restrict (school boys') movement to the dormitory or campus as a means of punishment
	control with a valve or other device that functions like a gate
	supply with a gate