schmalz vs mushiness

schmalz and mushiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
schmalz	Yes	No	No	No
mushiness	Yes	No	No	No

As nouns, mushiness is a hypernym of schmalz; that is, mushiness is a word with a broader meaning than schmalz:

Other hypernyms of schmalz include drippiness, mawkishness, sentimentality, sloppiness, soupiness.

schmalz (noun)	mushiness (noun)
(Yiddish) excessive sentimentality in art or music	a mushy pulpy softness
	falsely emotional in a maudlin way