soupiness vs thickness

soupiness and thickness both are nouns.

Word	Noun	Adjective	Verb	Adverb
soupiness	Yes	No	No	No
thickness	Yes	No	No	No

As nouns, thickness is a hypernym of soupiness; that is, thickness is a word with a broader meaning than soupiness:

soupiness (noun)	thickness (noun)
the property of having the thickness of heavy cream	the dimension through an object as opposed to its length or width
falsely emotional in a maudlin way	resistance to flow
	used of a line or mark
	indistinct articulation