beginning vs origin

beginning and origin both are nouns.

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

As nouns, origin is a hyponym of beginning; that is, origin is a word with a more specific, narrower meaning than beginning:

beginning: the event consisting of the start of something
origin: an event that is a beginning; a first part or stage of subsequent events

As nouns, beginning and origin are synonyms defined as:

beginning and origin: the place where something begins, where it springs into being

Other synonyms of beginning include root, rootage, source.

beginning (noun)	origin (noun)
the act of starting something	properties attributable to your ancestry
the first part or section of something	the point of intersection of coordinate axes; where the values of the coordinates are all zero
the event consisting of the start of something	an event that is a beginning; a first part or stage of subsequent events
the place where something begins, where it springs into being	the hereditary derivation of an individual
the time at which something is supposed to begin	the place where something begins, where it springs into being
	the source of something's existence or from which it derives or is derived

beginning (adjective)	origin (adjective)
serving to begin