passageway vs aisle

passageway and aisle both are nouns.

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

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

passageway: a passage between rooms or between buildings
aisle: passageway between seating areas as in an auditorium or passenger vehicle or between areas of shelves of goods as in stores

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

passageway (noun)	aisle (noun)
a passage between rooms or between buildings	passageway between seating areas as in an auditorium or passenger vehicle or between areas of shelves of goods as in stores
a path or channel or duct through or along which something may pass	part of a church divided laterally from the nave proper by rows of pillars or columns
	a long narrow passage (as in a cave or woods)