immunopathology vs immunology

immunopathology and immunology both are nouns.

Word	Noun	Adjective	Verb	Adverb
immunopathology	Yes	No	No	No
immunology	Yes	No	No	No

As nouns, immunology is a hypernym of immunopathology; that is, immunology is a word with a broader meaning than immunopathology:

immunopathology: the branch of immunology that deals with pathologies of the immune system
immunology: the branch of medical science that studies the body's immune system

immunopathology (noun)	immunology (noun)
the branch of immunology that deals with pathologies of the immune system	the branch of medical science that studies the body's immune system