nook vs building

nook and building both are nouns.

Word	Noun	Adjective	Verb	Adverb
nook	Yes	No	No	No
building	Yes	No	No	No

nook (noun)	building (noun)
an interior angle formed by two meeting walls	the act of constructing something
a sheltered and secluded place	the commercial activity involved in repairing old structures or constructing new ones
	a structure that has a roof and walls and stands more or less permanently in one place
	the occupants of a building