substantialness vs physicalness

substantialness and physicalness both are nouns.

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

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

Other hypernyms of substantialness include corporality, corporeality, materiality.

substantialness (noun)	physicalness (noun)
the quality of being substantial or having substance	the quality of being physical; consisting of matter