psychological medicine vs disturbance

psychological medicine and disturbance both are nouns.

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

psychological medicine (noun)	disturbance (noun)
the branch of medicine dealing with the diagnosis and treatment of mental disorders	the act of disturbing something or someone; setting something in motion
	a noisy fight
	activity that is a malfunction, intrusion, or interruption
	electrical or acoustic activity that can disturb communication
	a disorderly outburst or tumult
	(psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
	an unhappy and worried mental state