psychiatry vs psychopathology

psychiatry and psychopathology both are nouns.

Word	Noun	Adjective	Verb	Adverb
psychiatry	Yes	No	No	No
psychopathology	Yes	No	No	No

As nouns, psychiatry and psychopathology are synonyms defined as:

psychiatry and psychopathology: the branch of medicine dealing with the diagnosis and treatment of mental disorders

Other synonyms of psychiatry include psychological medicine.

psychiatry (noun)	psychopathology (noun)
the branch of medicine dealing with the diagnosis and treatment of mental disorders	the branch of medicine dealing with the diagnosis and treatment of mental disorders
	the branch of psychology concerned with abnormal behavior