upstairs vs edifice

upstairs and edifice both are nouns.

Word	Noun	Adjective	Verb	Adverb
upstairs	Yes	Yes	No	Yes
edifice	Yes	No	No	No

upstairs (noun)	edifice (noun)
the part of a building above the ground floor	a structure that has a roof and walls and stands more or less permanently in one place

upstairs (adjective)	edifice (adjective)
on or of upper floors of a building

upstairs (adverb)	edifice (adverb)
on a floor above
with respect to the mind