extinguish vs extinction

extinguish is not a noun while extinction is a noun.

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

extinguish (noun)	extinction (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	no longer active; extinguished

extinguish (verb)	extinction (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