inauguration vs beginning

inauguration and beginning both are nouns.

Word	Noun	Adjective	Verb	Adverb
inauguration	Yes	No	No	No
beginning	Yes	Yes	No	No

As nouns, beginning is a hypernym of inauguration; that is, beginning is a word with a broader meaning than inauguration:

Other hypernyms of inauguration include commencement, start.

inauguration (noun)	beginning (noun)
the ceremonial induction into a position	the act of starting something
the act of starting a new operation or practice	the first part or section of something
	the event consisting of the start of something
	the place where something begins, where it springs into being
	the time at which something is supposed to begin

inauguration (adjective)	beginning (adjective)
	serving to begin