substantiality vs physicalness

substantiality and physicalness both are nouns.

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

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

Other hypernyms of substantiality include corporality, corporeality, materiality.

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