geophagia vs geophagy

geophagia and geophagy both are nouns.

Word	Noun	Adjective	Verb	Adverb
geophagia	Yes	No	No	No
geophagy	Yes	No	No	No

As nouns, geophagia and geophagy are synonyms defined as:

geophagia and geophagy: eating earth, clay, chalk; occurs in some primitive tribes, sometimes in cases of nutritional deficiency or obsessive behavior

geophagia (noun)	geophagy (noun)
eating earth, clay, chalk; occurs in some primitive tribes, sometimes in cases of nutritional deficiency or obsessive behavior	eating earth, clay, chalk; occurs in some primitive tribes, sometimes in cases of nutritional deficiency or obsessive behavior