simplicity vs simpleness

simplicity and simpleness both are nouns.

Word	Noun	Adjective	Verb	Adverb
simplicity	Yes	No	No	No
simpleness	Yes	No	No	No

As nouns, simplicity and simpleness are synonyms defined as:

simplicity and simpleness: freedom from difficulty or hardship or effort

Other synonyms of simplicity include ease, easiness.

As nouns, simplicity and simpleness are synonyms defined as:

Other synonyms of simplicity include chasteness, restraint.

As nouns, simplicity and simpleness are synonyms defined as:

As nouns, simplicity and simpleness are synonyms defined as:

Other synonyms of simplicity include simple mindedness.

simplicity (noun)	simpleness (noun)
freedom from difficulty or hardship or effort	the quality of being simple or uncompounded
lack of ornamentation	lack of ornamentation
the quality of being simple or uncompounded	freedom from difficulty or hardship or effort
absence of affectation or pretense	a lack of penetration or subtlety
a lack of penetration or subtlety