bitchiness vs nastiness

bitchiness and nastiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
bitchiness	Yes	No	No	No
nastiness	Yes	No	No	No

As nouns, bitchiness and nastiness are synonyms defined as:

bitchiness and nastiness: malevolence by virtue of being malicious or spiteful or nasty

Other synonyms of bitchiness include cattiness, spite, spitefulness.

bitchiness (noun)	nastiness (noun)
malevolence by virtue of being malicious or spiteful or nasty	the quality of being highly unpleasant
	malevolence by virtue of being malicious or spiteful or nasty
	a state characterized by foul or disgusting dirt and refuse