chiromancer vs fortuneteller

chiromancer and fortuneteller both are nouns.

Word	Noun	Adjective	Verb	Adverb
chiromancer	Yes	No	No	No
fortuneteller	Yes	No	No	No

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

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

Other hypernyms of chiromancer include fortune teller.

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