sloppiness vs sentimentality

sloppiness and sentimentality both are nouns.

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

As nouns, sloppiness and sentimentality are synonyms defined as:

Other synonyms of sloppiness include drippiness, mawkishness, mushiness, soupiness.

sloppiness (noun)	sentimentality (noun)
the quality of not being careful or taking pains	falsely emotional in a maudlin way
falsely emotional in a maudlin way	extravagant or affected feeling or emotion
a lack of order and tidiness; not cared for
the wetness of ground that is covered or soaked with water