parsimony vs frugality

parsimony and frugality both are nouns.

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

As nouns, frugality is a hypernym of parsimony; that is, frugality is a word with a broader meaning than parsimony:

parsimony: extreme care in spending money; reluctance to spend money unnecessarily
frugality: prudence in avoiding waste

Other hypernyms of parsimony include frugalness.

parsimony (noun)	frugality (noun)
extreme care in spending money; reluctance to spend money unnecessarily	prudence in avoiding waste
extreme stinginess