haemosiderosis vs hemosiderosis

haemosiderosis and hemosiderosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
haemosiderosis	Yes	No	No	No
hemosiderosis	Yes	No	No	No

As nouns, haemosiderosis and hemosiderosis are synonyms defined as:

haemosiderosis and hemosiderosis: abnormal deposit of hemosiderin; often a symptom of thalassemia or hemochromatosis

haemosiderosis (noun)	hemosiderosis (noun)
abnormal deposit of hemosiderin; often a symptom of thalassemia or hemochromatosis	abnormal deposit of hemosiderin; often a symptom of thalassemia or hemochromatosis