venous thrombosis vs surgery

venous thrombosis and surgery both are nouns.

Word	Noun	Adjective	Verb	Adverb
venous thrombosis	Yes	No	No	No
surgery	Yes	No	No	No

venous thrombosis (noun)	surgery (noun)
thrombosis of a vein without prior inflammation of the vein; associated with sluggish blood flow (as in prolonged bedrest or pregnancy or surgery) or with rapid coagulation of the blood	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