parsimony vs tightness

parsimony and tightness both are nouns.

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

As nouns, parsimony and tightness are synonyms defined as:

parsimony (noun)	tightness (noun)
extreme care in spending money; reluctance to spend money unnecessarily	lack of movement or room for movement
extreme stinginess	extreme stinginess
	the spatial property of being crowded together
	a tight feeling in some part of the body
	a state occasioned by scarcity of money and a shortage of credit