cave man vs troglodyte

cave man and troglodyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
cave man	Yes	No	No	No
troglodyte	Yes	No	No	No

As nouns, cave man and troglodyte are synonyms defined as:

Other synonyms of cave man include cave dweller, caveman.

cave man (noun)	troglodyte (noun)
someone who lives in a cave	someone who lives in a cave
	one who lives in solitude