caveman vs troglodyte

caveman and troglodyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
caveman	Yes	No	No	No
troglodyte	Yes	No	No	No

As nouns, caveman and troglodyte are synonyms defined as:

Other synonyms of caveman include cave dweller, cave man.

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