absorption vs extinction

absorption and extinction both are nouns.

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

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the social process of absorbing one cultural group into harmony with another	no longer active; extinguished