ischemia vs anaemia

ischemia and anaemia both are nouns.

Word	Noun	Adjective	Verb	Adverb
ischemia	Yes	No	No	No
anaemia	Yes	No	No	No

As nouns, anaemia is a hypernym of ischemia; that is, anaemia is a word with a broader meaning than ischemia:

ischemia: local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism
anaemia: a deficiency of red blood cells

Other hypernyms of ischemia include anemia.

ischemia (noun)	anaemia (noun)
local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism	a deficiency of red blood cells
	a lack of vitality