anthropophagus vs man-eater

anthropophagus and man-eater both are nouns.

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

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

Other synonyms of anthropophagus include anthropophagite, cannibal.

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