anxiety vs psychological medicine

anxiety and psychological medicine both are nouns.

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

anxiety (noun)	psychological medicine (noun)
a vague unpleasant emotion that is experienced in anticipation of some (usually ill-defined) misfortune	the branch of medicine dealing with the diagnosis and treatment of mental disorders
(psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panic