anaemia vs blood disorder

anaemia and blood disorder both are nouns.

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

As nouns, blood disorder is a hypernym of anaemia; that is, blood disorder is a word with a broader meaning than anaemia:

Other hypernyms of anaemia include blood disease.

anaemia (noun)	blood disorder (noun)
a deficiency of red blood cells	a disease or disorder of the blood
a lack of vitality