instauration vs initiation

instauration and initiation both are nouns.

Word	Noun	Adjective	Verb	Adverb
instauration	Yes	No	No	No
initiation	Yes	No	No	No

As nouns, instauration and initiation are synonyms defined as:

instauration and initiation: the act of starting something for the first time; introducing something new

Other synonyms of instauration include creation, foundation, founding, innovation, institution, introduction, origination.

instauration (noun)	initiation (noun)
the act of starting something for the first time; introducing something new	the act of starting something for the first time; introducing something new
	an act that sets in motion some course of events
	wisdom as evidenced by the possession of knowledge
	a formal entry into an organization or position or office