isolation vs psychological medicine

isolation and psychological medicine both are nouns.

Word	Noun	Adjective	Verb	Adverb
isolation	Yes	No	No	No
psychological medicine	Yes	No	No	No

isolation (noun)	psychological medicine (noun)
the act of isolating something; setting something apart from others	the branch of medicine dealing with the diagnosis and treatment of mental disorders
a country's withdrawal from international politics
a feeling of being disliked and alone
(psychiatry) a defense mechanism in which memory of an unacceptable act or impulse is separated from the emotion originally associated with it
a state of separation between persons or groups