restraint vs simplicity

restraint and simplicity both are nouns.

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

As nouns, restraint and simplicity are synonyms defined as:

Other synonyms of restraint include chasteness, simpleness.

restraint (noun)	simplicity (noun)
the act of controlling by restraining someone or something	freedom from difficulty or hardship or effort
a device that retards something's motion	lack of ornamentation
discipline in personal and social activities	the quality of being simple or uncompounded
lack of ornamentation	absence of affectation or pretense
a rule or condition that limits freedom	a lack of penetration or subtlety
the state of being physically constrained