initiatory vs maiden

initiatory is not a noun while maiden is a noun.

Word	Noun	Adjective	Verb	Adverb
initiatory	No	Yes	No	No
maiden	Yes	Yes	No	No

As adjectives, initiatory and maiden are synonyms defined as:

Other synonyms of initiatory include first, inaugural, initiative.

initiatory (noun)	maiden (noun)
	an unmarried girl (especially a virgin)
	(cricket) an over in which no runs are scored

initiatory (adjective)	maiden (adjective)
serving to set in motion	serving to set in motion