shmaltz vs soupiness

shmaltz and soupiness both are nouns.

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

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

Other hypernyms of shmaltz include drippiness, mawkishness, mushiness, sentimentality, sloppiness.

shmaltz (noun)	soupiness (noun)
(Yiddish) excessive sentimentality in art or music	the property of having the thickness of heavy cream
	falsely emotional in a maudlin way