extinction vs extinguish

extinction is a noun but extinguish is not a noun.

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

extinction (noun)	extinguish (noun)
the act of extinguishing; causing to stop burning
a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
complete annihilation
the reduction of the intensity of radiation as a consequence of absorption and radiation
no longer in existence
no longer active; extinguished

extinction (verb)	extinguish (verb)
	put an end to; kill
	kill in large numbers
	terminate, end, or take out
	extinguish by crushing
	put out, as of fires, flames, or lights