wetness vs sloppiness

wetness and sloppiness both are nouns.

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

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

wetness: the condition of containing or being covered by a liquid (especially water)
sloppiness: the wetness of ground that is covered or soaked with water

wetness (noun)	sloppiness (noun)
the condition of containing or being covered by a liquid (especially water)	the quality of not being careful or taking pains
	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