sloppiness vs carelessness

sloppiness and carelessness both are nouns.

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

As nouns, sloppiness and carelessness are synonyms defined as:

sloppiness and carelessness: the quality of not being careful or taking pains

sloppiness (noun)	carelessness (noun)
the quality of not being careful or taking pains	failure to act with the prudence that a reasonable person would exercise under the same circumstances
falsely emotional in a maudlin way	the quality of not being careful or taking pains
a lack of order and tidiness; not cared for
the wetness of ground that is covered or soaked with water