fineness vs thinness

fineness and thinness both are nouns.

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

As nouns, fineness and thinness are synonyms defined as:

fineness (noun)	thinness (noun)
the quality of being beautiful and delicate in appearance	the property of having little body fat
the property of being very narrow or thin	relatively small dimension through an object as opposed to its length or width
having a very fine texture	a consistency of low viscosity
the quality of being very good indeed	the property of being very narrow or thin
	the property of being scanty or scattered; lacking denseness
	The property of lacking substance or strength.