leukemia vs leucaemia

leukemia and leucaemia both are nouns.

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

As nouns, leukemia and leucaemia are synonyms defined as:

leukemia and leucaemia: 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, leukaemia.

leukemia (noun)	leucaemia (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