calming vs conciliation

calming and conciliation both are nouns.

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

As nouns, conciliation is a hyponym of calming; that is, conciliation is a word with a more specific, narrower meaning than calming:

Other hyponyms of calming include mollification, pacification, placation, propitiation.

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