palm reading vs palmistry

palm reading and palmistry both are nouns.

Word	Noun	Adjective	Verb	Adverb
palm reading	Yes	No	No	No
palmistry	Yes	No	No	No

As nouns, palm reading and palmistry are synonyms defined as:

palm reading and palmistry: telling fortunes by lines on the palm of the hand

Other synonyms of palm reading include chirology, chiromancy.

palm reading (noun)	palmistry (noun)
telling fortunes by lines on the palm of the hand	telling fortunes by lines on the palm of the hand