pacifier vs intercessor

pacifier and intercessor both are nouns.

Word	Noun	Adjective	Verb	Adverb
pacifier	Yes	No	No	No
intercessor	Yes	No	No	No

As nouns, intercessor is a hypernym of pacifier; that is, intercessor is a word with a broader meaning than pacifier:

Other hypernyms of pacifier include go-between, intermediary, intermediator, mediator.

pacifier (noun)	intercessor (noun)
device used for an infant to suck or bite on	a negotiator who acts as a link between parties
anything that serves to pacify
someone who tries to bring peace