thinness vs narrowness

thinness and narrowness both are nouns.

Word	Noun	Adjective	Verb	Adverb
thinness	Yes	No	No	No
narrowness	Yes	No	No	No

As nouns, narrowness is a hypernym of thinness; that is, narrowness is a word with a broader meaning than thinness:

thinness (noun)	narrowness (noun)
the property of having little body fat	the property of being narrow; having little width
relatively small dimension through an object as opposed to its length or width	a small margin
a consistency of low viscosity	an inclination to criticize opposing opinions or shocking behavior
the property of being very narrow or thin	a restriction of range or scope
the property of being scanty or scattered; lacking denseness
The property of lacking substance or strength.