myxosporidian vs sporozoan

myxosporidian and sporozoan both are nouns.

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

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

myxosporidian: mostly parasitic in fishes and including various serious pathogens
sporozoan: parasitic spore-forming protozoan

myxosporidian (noun)	sporozoan (noun)
mostly parasitic in fishes and including various serious pathogens	parasitic spore-forming protozoan