sloppiness vs slovenliness

sloppiness and slovenliness both are nouns.

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

As nouns, sloppiness and slovenliness are synonyms defined as:

sloppiness and slovenliness: a lack of order and tidiness; not cared for

Other synonyms of sloppiness include unkemptness.

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