recitative vs musical passage

recitative and musical passage both are nouns.

Word	Noun	Adjective	Verb	Adverb
recitative	Yes	No	No	No
musical passage	Yes	No	No	No

As nouns, musical passage is a hypernym of recitative; that is, musical passage is a word with a broader meaning than recitative:

recitative: a vocal passage of narrative text that a singer delivers with natural rhythms of speech
musical passage: a short section of a musical composition

Other hypernyms of recitative include passage.

recitative (noun)	musical passage (noun)
a vocal passage of narrative text that a singer delivers with natural rhythms of speech	a short section of a musical composition