psychological science vs sensitization

psychological science and sensitization both are nouns.

Word	Noun	Adjective	Verb	Adverb
psychological science	Yes	No	No	No
sensitization	Yes	No	No	No

psychological science (noun)	sensitization (noun)
the science of mental life	rendering an organism sensitive to a serum by a series of injections
	(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)