sloppiness vs unkemptness

sloppiness and unkemptness both are nouns.

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

As nouns, sloppiness and unkemptness are synonyms defined as:

Other synonyms of sloppiness include slovenliness.

sloppiness (noun)	unkemptness (noun)
the quality of not being careful or taking pains	a lack of order and tidiness; not cared for
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