haemostasis vs stoppage

haemostasis and stoppage both are nouns.

Word	Noun	Adjective	Verb	Adverb
haemostasis	Yes	No	No	No
stoppage	Yes	No	No	No

As nouns, stoppage is a hypernym of haemostasis; that is, stoppage is a word with a broader meaning than haemostasis:

haemostasis: surgical procedure of stopping the flow of blood (as with a hemostat)
stoppage: the act of stopping something

Other hypernyms of haemostasis include stop.

haemostasis (noun)	stoppage (noun)
surgical procedure of stopping the flow of blood (as with a hemostat)	the act of stopping something
	an obstruction in a pipe or tube
	the state of inactivity following an interruption