ecdemic vs epidemic

ecdemic is not a noun while epidemic is a noun.

Word	Noun	Adjective	Verb	Adverb
ecdemic	No	Yes	No	No
epidemic	Yes	Yes	No	No

ecdemic (noun)	epidemic (noun)
	a widespread outbreak of an infectious disease; many people are infected at the same time

ecdemic (adjective)	epidemic (adjective)
of or relating to a disease that originates outside the locality in which it occurs	(especially of medicine) of disease or anything resembling a disease; attacking or affecting many individuals in a community or a population simultaneously