building vs reconstruct

building is a noun but reconstruct is not a noun.

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

building (noun)	reconstruct (noun)
the act of constructing something
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

building (verb)	reconstruct (verb)
	do over, as of (part of) a house
	cause somebody to adapt or reform socially or politically
	reassemble mentally
	build again
	return to its original or usable and functioning condition