prosody vs rhythmic pattern

prosody and rhythmic pattern both are nouns.

Word	Noun	Adjective	Verb	Adverb
prosody	Yes	No	No	No
rhythmic pattern	Yes	No	No	No

As nouns, prosody and rhythmic pattern are synonyms defined as:

Other synonyms of prosody include poetic rhythm.

prosody (noun)	rhythmic pattern (noun)
the study of poetic meter and the art of versification	(prosody) a system of versification
the patterns of stress and intonation in a language
(prosody) a system of versification