inception vs origination

inception and origination both are nouns.

Word	Noun	Adjective	Verb	Adverb
inception	Yes	No	No	No
origination	Yes	No	No	No

As nouns, inception and origination are synonyms defined as:

inception and origination: an event that is a beginning; a first part or stage of subsequent events

Other synonyms of inception include origin.

inception (noun)	origination (noun)
an event that is a beginning; a first part or stage of subsequent events	the act of starting something for the first time; introducing something new
	an event that is a beginning; a first part or stage of subsequent events