divination vs palmistry

divination and palmistry both are nouns.

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

As nouns, palmistry is a hyponym of divination; that is, palmistry is a word with a more specific, narrower meaning than divination:

divination: the art or gift of prophecy (or the pretense of prophecy) by supernatural means
palmistry: telling fortunes by lines on the palm of the hand

divination (noun)	palmistry (noun)
the art or gift of prophecy (or the pretense of prophecy) by supernatural means	telling fortunes by lines on the palm of the hand
a prediction uttered under divine inspiration
successful conjecture by unusual insight or good luck