leukemia vs leukaemia

leukemia and leukaemia both are nouns.

Word	Noun	Adjective	Verb	Adverb
leukemia	Yes	No	No	No
leukaemia	Yes	No	No	No

As nouns, leukemia and leukaemia are synonyms defined as:

leukemia and leukaemia: malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer

Other synonyms of leukemia include cancer of the blood, leucaemia.

leukemia (noun)	leukaemia (noun)
malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer	malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer