ischaemia vs ischemia

ischaemia and ischemia both are nouns.

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

As nouns, ischaemia and ischemia are synonyms defined as:

ischaemia and ischemia: local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism

ischaemia (noun)	ischemia (noun)
local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism	local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism