parsimoniousness vs stinginess

parsimoniousness and stinginess both are nouns.

Word	Noun	Adjective	Verb	Adverb
parsimoniousness	Yes	No	No	No
stinginess	Yes	No	No	No

As nouns, stinginess is a hypernym of parsimoniousness; that is, stinginess is a word with a broader meaning than parsimoniousness:

parsimoniousness: extreme stinginess
stinginess: a lack of generosity; a general unwillingness to part with money

parsimoniousness (noun)	stinginess (noun)
extreme care in spending money; reluctance to spend money unnecessarily	a lack of generosity; a general unwillingness to part with money
extreme stinginess