narthex vs lobby

narthex and lobby both are nouns.

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

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

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

narthex (noun)	lobby (noun)
a vestibule leading to the nave of a church	a large entrance or reception room or area
portico at the west end of an early Christian basilica or church	an interest group that tries to influence legislators or bureaucrats to act in their favor, typically through lobbying
	the people who support some common cause or business or principle or sectional interest

narthex (verb)	lobby (verb)
	detain in conversation by or as if by holding on to the outer garments of; as for political or economic favors