initiation vs instauration

initiation and instauration both are nouns.

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

As nouns, initiation and instauration are synonyms defined as:

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

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

initiation (noun)	instauration (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