sforzando vs musical notation

sforzando and musical notation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sforzando	Yes	No	No	No
musical notation	Yes	No	No	No

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

sforzando: (music) a notation written above a note and indicating that it is to be played with a strong initial attack
musical notation: (music) notation used by musicians

sforzando (noun)	musical notation (noun)
(music) a notation written above a note and indicating that it is to be played with a strong initial attack	(music) notation used by musicians
an accented chord