immunochemistry vs immunology

immunochemistry and immunology both are nouns.

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

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

immunochemistry: the field of chemistry concerned with chemical processes in immunology (such as chemical studies of antigens and antibodies)
immunology: the branch of medical science that studies the body's immune system

Other hypernyms of immunochemistry include chemical science, chemistry.

immunochemistry (noun)	immunology (noun)
the field of chemistry concerned with chemical processes in immunology (such as chemical studies of antigens and antibodies)	the branch of medical science that studies the body's immune system