blood disorder vs blood disease

blood disorder and blood disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
blood disorder	Yes	No	No	No
blood disease	Yes	No	No	No

As nouns, blood disorder and blood disease are synonyms defined as:

blood disorder (noun)	blood disease (noun)
a disease or disorder of the blood	a disease or disorder of the blood