substance vs thinness

substance and thinness both are nouns.

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

As nouns, thinness is a hyponym of substance; that is, thinness is a word with a more specific, narrower meaning than substance:

substance (noun)	thinness (noun)
the real physical matter of which a person or thing consists	the property of having little body fat
a particular kind or species of matter with uniform properties	relatively small dimension through an object as opposed to its length or width
the property of holding together and retaining its shape	a consistency of low viscosity
the idea that is intended	the property of being very narrow or thin
the choicest or most essential or most vital part of some idea or experience	the property of being scanty or scattered; lacking denseness
content communicating a message; what something is about	The property of lacking substance or strength.
considerable capital (wealth or income)
material of a particular kind or constitution