conciliation vs propitiation

conciliation and propitiation both are nouns.

Word	Noun	Adjective	Verb	Adverb
conciliation	Yes	No	No	No
propitiation	Yes	No	No	No

As nouns, conciliation and propitiation are synonyms defined as:

conciliation and propitiation: the act of placating and overcoming distrust and animosity

Other synonyms of conciliation include placation.

conciliation (noun)	propitiation (noun)
the act of placating and overcoming distrust and animosity	the act of placating and overcoming distrust and animosity
any of various forms of mediation whereby disputes may be settled short of arbitration	the act of atoning for sin or wrongdoing (especially appeasing a deity)
the state of manifesting goodwill and cooperation after being reconciled