narthex vs hall

narthex and hall both are nouns.

Word	Noun	Adjective	Verb	Adverb
narthex	Yes	No	No	No
hall	Yes	No	No	No

As nouns, hall is a hypernym of narthex; that is, hall is a word with a broader meaning than narthex:

Other hypernyms of narthex include antechamber, anteroom, entrance hall, foyer, lobby, vestibule.

narthex (noun)	hall (noun)
a vestibule leading to the nave of a church	a large building for meetings or entertainment
portico at the west end of an early Christian basilica or church	a large room for gatherings, receiving guests, or entertainment
	an interior passage or corridor onto which rooms open
	a college or university building containing living quarters for students
	a large entrance or reception room or area
	the large room of a manor or castle
	a large and imposing house
	a large building used by a college or university for teaching or research