hypocalcaemia vs hypocalcemia

hypocalcaemia and hypocalcemia both are nouns.

Word	Noun	Adjective	Verb	Adverb
hypocalcaemia	Yes	No	No	No
hypocalcemia	Yes	No	No	No

As nouns, hypocalcaemia and hypocalcemia are synonyms defined as:

hypocalcaemia and hypocalcemia: abnormally low level of calcium in the blood; associated with hypoparathyroidism or kidney malfunction or vitamin D deficiency

hypocalcaemia (noun)	hypocalcemia (noun)
abnormally low level of calcium in the blood; associated with hypoparathyroidism or kidney malfunction or vitamin D deficiency	abnormally low level of calcium in the blood; associated with hypoparathyroidism or kidney malfunction or vitamin D deficiency