haemosporidian vs sporozoan

haemosporidian and sporozoan both are nouns.

Word	Noun	Adjective	Verb	Adverb
haemosporidian	Yes	No	No	No
sporozoan	Yes	No	No	No

As nouns, sporozoan is a hypernym of haemosporidian; that is, sporozoan is a word with a broader meaning than haemosporidian:

haemosporidian: minute protozoans parasitic at some stage of the life cycle in blood cells of vertebrates including many pathogens
sporozoan: parasitic spore-forming protozoan

haemosporidian (noun)	sporozoan (noun)
minute protozoans parasitic at some stage of the life cycle in blood cells of vertebrates including many pathogens	parasitic spore-forming protozoan