gastroenterostomy vs surgery

gastroenterostomy and surgery both are nouns.

Word	Noun	Adjective	Verb	Adverb
gastroenterostomy	Yes	No	No	No
surgery	Yes	No	No	No

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

gastroenterostomy: surgical creation of an opening between the stomach wall and the small intestines; performed when the normal opening has been eliminated
surgery: a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body

Other hypernyms of gastroenterostomy include operation, surgical operation, surgical procedure, surgical process.

gastroenterostomy (noun)	surgery (noun)
surgical creation of an opening between the stomach wall and the small intestines; performed when the normal opening has been eliminated	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