haemangioma vs hemangioma

haemangioma and hemangioma both are nouns.

Word	Noun	Adjective	Verb	Adverb
haemangioma	Yes	No	No	No
hemangioma	Yes	No	No	No

As nouns, haemangioma and hemangioma are synonyms defined as:

haemangioma and hemangioma: benign angioma consisting of a mass of blood vessels; some appear as birthmarks

haemangioma (noun)	hemangioma (noun)
benign angioma consisting of a mass of blood vessels; some appear as birthmarks	benign angioma consisting of a mass of blood vessels; some appear as birthmarks