electrosurgery vs surgery

electrosurgery and surgery both are nouns.

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

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

electrosurgery: surgery performed with electrical devices (as in electrocautery)
surgery: a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body

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

electrosurgery (noun)	surgery (noun)
surgery performed with electrical devices (as in electrocautery)	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