palmistry vs chiromancy

palmistry and chiromancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
palmistry	Yes	No	No	No
chiromancy	Yes	No	No	No

As nouns, palmistry and chiromancy are synonyms defined as:

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

Other synonyms of palmistry include chirology, palm reading.

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