tightness vs compactness

tightness and compactness both are nouns.

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

As nouns, tightness and compactness are synonyms defined as:

tightness and compactness: the spatial property of being crowded together

Other synonyms of tightness include concentration, denseness, density.

tightness (noun)	compactness (noun)
lack of movement or room for movement	the spatial property of being crowded together
extreme stinginess	the consistency of a compact solid
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