cadence vs common meter

cadence and common meter both are nouns.

Word	Noun	Adjective	Verb	Adverb
cadence	Yes	No	No	No
common meter	Yes	No	No	No

As nouns, common meter is a hyponym of cadence; that is, common meter is a word with a more specific, narrower meaning than cadence:

Other hyponyms of cadence include catalexis, scansion, common measure, foot, metrical foot, metrical unit.

cadence (noun)	common meter (noun)
a recurrent rhythmical series	the usual (iambic) meter of a ballad
the close of a musical section
(prosody) the accent in a metrical foot of verse