volvulus vs pathology

volvulus and pathology both are nouns.

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

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

volvulus: abnormal twisting of the intestines (usually in the area of the ileum or sigmoid colon) resulting in intestinal obstruction
pathology: any deviation from a healthy or normal condition

volvulus (noun)	pathology (noun)
abnormal twisting of the intestines (usually in the area of the ileum or sigmoid colon) resulting in intestinal obstruction	the branch of medical science that studies the causes and nature and effects of diseases
	any deviation from a healthy or normal condition