sloppiness vs shmaltz

sloppiness and shmaltz both are nouns.

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

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

Other hyponyms of sloppiness include corn, schmaltz, schmalz, sentimentalism.

sloppiness (noun)	shmaltz (noun)
the quality of not being careful or taking pains	(Yiddish) excessive sentimentality in art or music
falsely emotional in a maudlin way
a lack of order and tidiness; not cared for
the wetness of ground that is covered or soaked with water