treaty vs pacification

treaty and pacification both are nouns.

Word	Noun	Adjective	Verb	Adverb
treaty	Yes	No	No	No
pacification	Yes	No	No	No

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

Other hyponyms of treaty include alliance, commercial treaty, peace, peace treaty, convention.

treaty (noun)	pacification (noun)
a written agreement between two states or sovereigns	the act of appeasing someone or causing someone to be more favorably inclined
	actions taken by a government to defeat insurgency
	a treaty to cease hostilities