chasteness vs simplicity

chasteness and simplicity both are nouns.

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

As nouns, chasteness and simplicity are synonyms defined as:

Other synonyms of chasteness include restraint, simpleness.

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