coccidium vs eimeria

coccidium and eimeria both are nouns.

Word	Noun	Adjective	Verb	Adverb
coccidium	Yes	No	No	No
eimeria	Yes	No	No	No

As nouns, coccidium and eimeria are synonyms defined as:

coccidium and eimeria: parasitic on the digestive epithelium of vertebrates and higher invertebrates

coccidium (noun)	eimeria (noun)
parasitic on the digestive epithelium of vertebrates and higher invertebrates	parasitic on the digestive epithelium of vertebrates and higher invertebrates