destruction vs disaster

destruction and disaster both are nouns.

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

As nouns, disaster is a hyponym of destruction; that is, disaster is a word with a more specific, narrower meaning than destruction:

destruction: the termination of something by causing so much damage to it that it cannot be repaired or no longer exists
disaster: an act that has disastrous consequences

destruction (noun)	disaster (noun)
the termination of something by causing so much damage to it that it cannot be repaired or no longer exists	an act that has disastrous consequences
an event that completely destroys something	an event resulting in great loss and misfortune
a final state	a state of extreme (usually irremediable) ruin and misfortune