holocaust vs destruction

holocaust and destruction both are nouns.

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

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

holocaust: an act of mass destruction and loss of life (especially in war or by fire)
destruction: the termination of something by causing so much damage to it that it cannot be repaired or no longer exists

Other hypernyms of holocaust include devastation.

holocaust (noun)	destruction (noun)
an act of mass destruction and loss of life (especially in war or by fire)	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