cadence vs catalexis

cadence and catalexis both are nouns.

Word	Noun	Adjective	Verb	Adverb
cadence	Yes	No	No	No
catalexis	Yes	No	No	No

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

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

cadence (noun)	catalexis (noun)
a recurrent rhythmical series	the absence of a syllable in the last foot of a line or verse
the close of a musical section
(prosody) the accent in a metrical foot of verse