leucaemia vs leukemia

leucaemia and leukemia both are nouns.

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

As nouns, leucaemia and leukemia are synonyms defined as:

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

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

leucaemia (noun)	leukemia (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