maiden vs initiatory

maiden is a noun but initiatory is not a noun.

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

As adjectives, maiden and initiatory are synonyms defined as:

Other synonyms of maiden include first, inaugural, initiative.

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

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