palpability vs materiality

palpability and materiality both are nouns.

Word	Noun	Adjective	Verb	Adverb
palpability	Yes	No	No	No
materiality	Yes	No	No	No

As nouns, materiality is a hypernym of palpability; that is, materiality is a word with a broader meaning than palpability:

Other hypernyms of palpability include corporality, corporeality, physicalness.

palpability (noun)	materiality (noun)
the quality of being perceivable by touch	the quality of being physical; consisting of matter
	relevance requiring careful consideration