chasteness vs restraint

chasteness and restraint both are nouns.

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

As nouns, chasteness and restraint are synonyms defined as:

Other synonyms of chasteness include simpleness, simplicity.

chasteness (noun)	restraint (noun)
lack of ornamentation	the act of controlling by restraining someone or something
	a device that retards something's motion
	discipline in personal and social activities
	lack of ornamentation
	a rule or condition that limits freedom
	the state of being physically constrained