extinction vs absorption

extinction and absorption both are nouns.

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

extinction (noun)	absorption (noun)
the act of extinguishing; causing to stop burning	the mental state of being preoccupied by something
a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus	complete attention; intense mental effort
complete annihilation	(chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid
the reduction of the intensity of radiation as a consequence of absorption and radiation	the process of absorbing nutrients into the body after digestion
no longer in existence	(physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium
no longer active; extinguished	the social process of absorbing one cultural group into harmony with another