meter vs prosody

meter and prosody both are nouns.

Word	Noun	Adjective	Verb	Adverb
meter	Yes	No	Yes	No
prosody	Yes	No	No	No

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

Other hypernyms of meter include poetic rhythm, rhythmic pattern.

meter (noun)	prosody (noun)
any of various measuring instruments for measuring a quantity	the study of poetic meter and the art of versification
rhythm as given by division into parts of equal duration	the patterns of stress and intonation in a language
(prosody) the accent in a metrical foot of verse	(prosody) a system of versification
the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)

meter (verb)	prosody (verb)
measure with a meter
stamp with a meter indicating the postage