initiation vs causing

initiation and causing both are nouns.

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

As nouns, causing is a hypernym of initiation; that is, causing is a word with a broader meaning than initiation:

Other hypernyms of initiation include causation.

initiation (noun)	causing (noun)
the act of starting something for the first time; introducing something new	the act of causing something to happen
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