coprophagy vs coprophagia

coprophagy and coprophagia both are nouns.

Word	Noun	Adjective	Verb	Adverb
coprophagy	Yes	No	No	No
coprophagia	Yes	No	No	No

As nouns, coprophagy and coprophagia are synonyms defined as:

coprophagy and coprophagia: eating feces; in human a symptom of some kinds of insanity

coprophagy (noun)	coprophagia (noun)
eating feces; in human a symptom of some kinds of insanity	eating feces; in human a symptom of some kinds of insanity