chiromancer vs fortune teller

chiromancer and fortune teller both are nouns.

Word	Noun	Adjective	Verb	Adverb
chiromancer	Yes	No	No	No
fortune teller	Yes	No	No	No

As nouns, fortune teller is a hypernym of chiromancer; that is, fortune teller is a word with a broader meaning than chiromancer:

chiromancer: fortuneteller who predicts your future by the lines on your palms
fortune teller: a person who foretells your personal future

Other hypernyms of chiromancer include fortuneteller.

chiromancer (noun)	fortune teller (noun)
fortuneteller who predicts your future by the lines on your palms	a person who foretells your personal future