sensitisation vs psychology

sensitisation and psychology both are nouns.

Word	Noun	Adjective	Verb	Adverb
sensitisation	Yes	No	No	No
psychology	Yes	No	No	No

sensitisation (noun)	psychology (noun)
rendering an organism sensitive to a serum by a series of injections	the science of mental life
(psychology) the process of becoming highly sensitive to specific events or situations (especially emotional events or situations)
the state of being sensitive (as to an antigen)