ligation vs surgery

ligation and surgery both are nouns.

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

ligation (noun)	surgery (noun)
(surgery) tying a duct or blood vessel with a ligature (as to prevent bleeding during surgery)	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