man-eater vs anthropophagite

man-eater and anthropophagite both are nouns.

Word	Noun	Adjective	Verb	Adverb
man-eater	Yes	No	No	No
anthropophagite	Yes	No	No	No

As nouns, man-eater and anthropophagite are synonyms defined as:

Other synonyms of man-eater include anthropophagus, cannibal.

man-eater (noun)	anthropophagite (noun)
large aggressive shark widespread in warm seas; known to attack humans	a person who eats human flesh
a person who eats human flesh