make peace vs conciliate

make peace and conciliate both are verbs.

Word	Noun	Adjective	Verb	Adverb
make peace	No	No	Yes	No
conciliate	No	No	Yes	No

As verbs, conciliate is a hypernym of make peace; that is, conciliate is a word with a broader meaning than make peace:

Other hypernyms of make peace include make up, patch up, reconcile, settle.

make peace (verb)	conciliate (verb)
end hostilities	make (one thing) compatible with (another)
	come to terms
	cause to be more favorably inclined; gain the good will of