intestinal bypass vs surgery

intestinal bypass and surgery both are nouns.

Word	Noun	Adjective	Verb	Adverb
intestinal bypass	Yes	No	No	No
surgery	Yes	No	No	No

As nouns, surgery is a hypernym of intestinal bypass; that is, surgery is a word with a broader meaning than intestinal bypass:

intestinal bypass: surgical operation that shortens the small intestine; used in treating obesity
surgery: a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body

Other hypernyms of intestinal bypass include operation, surgical operation, surgical procedure, surgical process.

intestinal bypass (noun)	surgery (noun)
surgical operation that shortens the small intestine; used in treating obesity	a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
	a room in a hospital equipped for the performance of surgical operations
	a room where a doctor or dentist can be consulted
	the branch of medical science that treats disease or injury by operative procedures