denseness vs tightness

denseness and tightness both are nouns.

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

As nouns, denseness and tightness are synonyms defined as:

Other synonyms of denseness include compactness, concentration, density.

denseness (noun)	tightness (noun)
the amount per unit size	lack of movement or room for movement
the spatial property of being crowded together	extreme stinginess
the quality of being mentally slow and limited	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