cave dweller vs troglodyte

cave dweller and troglodyte both are nouns.

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

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

Other synonyms of cave dweller include cave man, caveman.

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