pitch contour vs prosody

pitch contour and prosody both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitch contour	Yes	No	No	No
prosody	Yes	No	No	No

As nouns, prosody is a hypernym of pitch contour; that is, prosody is a word with a broader meaning than pitch contour:

Other hypernyms of pitch contour include inflection.

pitch contour (noun)	prosody (noun)
rise and fall of the voice pitch	the study of poetic meter and the art of versification
	the patterns of stress and intonation in a language
	(prosody) a system of versification