demolishing vs destruction

demolishing and destruction both are nouns.

Word	Noun	Adjective	Verb	Adverb
demolishing	Yes	No	No	No
destruction	Yes	No	No	No

As nouns, destruction is a hypernym of demolishing; that is, destruction is a word with a broader meaning than demolishing:

demolishing: complete destruction of a building
destruction: the termination of something by causing so much damage to it that it cannot be repaired or no longer exists

Other hypernyms of demolishing include devastation.

demolishing (noun)	destruction (noun)
complete destruction of a building	the termination of something by causing so much damage to it that it cannot be repaired or no longer exists
	an event that completely destroys something
	a final state