palpability vs physicalness

palpability and physicalness both are nouns.

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

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

Other hypernyms of palpability include corporality, corporeality, materiality.

palpability (noun)	physicalness (noun)
the quality of being perceivable by touch	the quality of being physical; consisting of matter