macrocytosis vs pathology

macrocytosis and pathology both are nouns.

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

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

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