extinguish vs destroy

extinguish and destroy both are verbs.

Word	Noun	Adjective	Verb	Adverb
extinguish	No	No	Yes	No
destroy	No	No	Yes	No

As verbs, destroy is a hypernym of extinguish; that is, destroy is a word with a broader meaning than extinguish:

Other hypernyms of extinguish include destruct.

extinguish (verb)	destroy (verb)
put an end to; kill	defeat soundly and humiliatingly
kill in large numbers	destroy completely; damage irreparably
terminate, end, or take out	put (an animal) to death
extinguish by crushing	do away with, cause the destruction or undoing of
put out, as of fires, flames, or lights