inception vs prelude

inception and prelude both are nouns.

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

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

inception: an event that is a beginning; a first part or stage of subsequent events
prelude: something that serves as a preceding event or introduces what follows

Other hyponyms of inception include germination, cause, overture, preliminary, emanation, procession, rise.

inception (noun)	prelude (noun)
an event that is a beginning; a first part or stage of subsequent events	music that precedes a fugue or introduces an act in an opera
	something that serves as a preceding event or introduces what follows

inception (verb)	prelude (verb)
	play as a prelude
	serve as a prelude or opening to