conciliation vs appeasement

conciliation and appeasement both are nouns.

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

As nouns, appeasement is a hypernym of conciliation; that is, appeasement is a word with a broader meaning than conciliation:

Other hypernyms of conciliation include calming.

conciliation (noun)	appeasement (noun)
the act of placating and overcoming distrust and animosity	the act of appeasing (as by acceding to the demands of)
any of various forms of mediation whereby disputes may be settled short of arbitration
the state of manifesting goodwill and cooperation after being reconciled