negativity vs negativeness

negativity and negativeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
negativity	Yes	No	No	No
negativeness	Yes	No	No	No

As nouns, negativity and negativeness are synonyms defined as:

negativity and negativeness: characterized by habitual skepticism and a disagreeable tendency to deny or oppose or resist suggestions or commands

Other synonyms of negativity include negativism.

As nouns, negativity and negativeness are synonyms defined as:

As nouns, negativity and negativeness are synonyms defined as:

negativity and negativeness: the character of the negative electric pole

negativity (noun)	negativeness (noun)
characterized by habitual skepticism and a disagreeable tendency to deny or oppose or resist suggestions or commands	characterized by habitual skepticism and a disagreeable tendency to deny or oppose or resist suggestions or commands
(chemistry) the tendency of an atom or radical to attract electrons in the formation of an ionic bond	an amount less than zero
an amount less than zero	the character of the negative electric pole
the character of the negative electric pole