haemorrhagic stroke vs bleeding

haemorrhagic stroke and bleeding both are nouns.

Word	Noun	Adjective	Verb	Adverb
haemorrhagic stroke	Yes	No	No	No
bleeding	Yes	No	No	No

As nouns, bleeding is a hypernym of haemorrhagic stroke; that is, bleeding is a word with a broader meaning than haemorrhagic stroke:

haemorrhagic stroke: stroke caused by the rupture of a blood vessel in the brain
bleeding: the flow of blood from a ruptured blood vessel

Other hypernyms of haemorrhagic stroke include apoplexy, cerebrovascular accident, CVA, stroke, haemorrhage, hemorrhage.

haemorrhagic stroke (noun)	bleeding (noun)
stroke caused by the rupture of a blood vessel in the brain	the flow of blood from a ruptured blood vessel