viremia vs pathology

viremia and pathology both are nouns.

Word	Noun	Adjective	Verb	Adverb
viremia	Yes	No	No	No
pathology	Yes	No	No	No

As nouns, pathology is a hypernym of viremia; that is, pathology is a word with a broader meaning than viremia:

viremia (noun)	pathology (noun)
the presence of a virus in the blood stream	the branch of medical science that studies the causes and nature and effects of diseases
	any deviation from a healthy or normal condition