psychopathology vs psychology

psychopathology and psychology both are nouns.

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

As nouns, psychology is a hypernym of psychopathology; that is, psychology is a word with a broader meaning than psychopathology:

Other hypernyms of psychopathology include psychological science.

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