cyst vs pathology

cyst and pathology both are nouns.

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

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

cyst (noun)	pathology (noun)
a small anatomically normal sac or bladderlike structure (especially one containing fluid)	the branch of medical science that studies the causes and nature and effects of diseases
a closed sac that develops abnormally in some body structure	any deviation from a healthy or normal condition