blood disease vs blood disorder

blood disease and blood disorder both are nouns.

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

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

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