stricture vs pathology

stricture and pathology both are nouns.

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

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

stricture (noun)	pathology (noun)
severe criticism	the branch of medical science that studies the causes and nature and effects of diseases
abnormal narrowing of a bodily canal or passageway	any deviation from a healthy or normal condition