penuriousness vs poorness

penuriousness and poorness both are nouns.

Word	Noun	Adjective	Verb	Adverb
penuriousness	Yes	No	No	No
poorness	Yes	No	No	No

As nouns, poorness is a hypernym of penuriousness; that is, poorness is a word with a broader meaning than penuriousness:

penuriousness: a state of lacking money
poorness: the state of having little or no money and few or no material possessions

Other hypernyms of penuriousness include impoverishment, poverty.

penuriousness (noun)	poorness (noun)
a disposition to be niggardly with money	the quality of being poorly made or maintained
a state of lacking money	less than adequate
	the quality of being meager
	the state of having little or no money and few or no material possessions