chasteness vs simpleness

chasteness and simpleness both are nouns.

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

As nouns, chasteness and simpleness are synonyms defined as:

Other synonyms of chasteness include restraint, simplicity.

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