devastation vs blight

devastation and blight both are nouns.

Word	Noun	Adjective	Verb	Adverb
devastation	Yes	No	No	No
blight	Yes	No	Yes	No

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

Other hyponyms of devastation include ruin, ruination.

devastation (noun)	blight (noun)
the termination of something by causing so much damage to it that it cannot be repaired or no longer exists	a state or condition being blighted
plundering with excessive damage and destruction	any plant disease resulting in withering without rotting
an event that results in total destruction
the feeling of being confounded or overwhelmed
the state of being decayed or destroyed

devastation (verb)	blight (verb)
	cause to suffer a blight