falseness vs fickleness

falseness and fickleness both are nouns.

Word	Noun	Adjective	Verb	Adverb
falseness	Yes	No	No	No
fickleness	Yes	No	No	No

As nouns, falseness and fickleness are synonyms defined as:

falseness and fickleness: unfaithfulness by virtue of being unreliable or treacherous

Other synonyms of falseness include faithlessness, inconstancy.

falseness (noun)	fickleness (noun)
the quality of not being open or truthful; deceitful or hypocritical	unfaithfulness by virtue of being unreliable or treacherous
unfaithfulness by virtue of being unreliable or treacherous
the state of being false or untrue