parsimony vs smallness

parsimony and smallness both are nouns.

Word	Noun	Adjective	Verb	Adverb
parsimony	Yes	No	No	No
smallness	Yes	No	No	No

As nouns, smallness is a hyponym of parsimony; that is, smallness is a word with a more specific, narrower meaning than parsimony:

Other hyponyms of parsimony include littleness, pettiness, miserliness.

parsimony (noun)	smallness (noun)
extreme care in spending money; reluctance to spend money unnecessarily	the property of having a relatively small size
extreme stinginess	lack of generosity in trifling matters
	the property of being a relatively small amount
	the property of having relatively little strength or vigor
	The quality of being minor in influence, power, or rank.