commencement vs beginning

commencement and beginning both are nouns.

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

As nouns, commencement and beginning are synonyms defined as:

Other synonyms of commencement include start.

As nouns, commencement and beginning are synonyms defined as:

commencement and beginning: the time at which something is supposed to begin

Other synonyms of commencement include first, get-go, kickoff, offset, outset, showtime, start, starting time.

commencement (noun)	beginning (noun)
the act of starting something	the act of starting something
an academic exercise in which diplomas are conferred	the first part or section of something
the time at which something is supposed to begin	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

commencement (adjective)	beginning (adjective)
	serving to begin