cadence vs amen cadence

cadence and amen cadence both are nouns.

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

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

cadence: the close of a musical section
amen cadence: a cadence (frequently ending church music) in which the chord of the subdominant precedes the chord of the tonic

Other hyponyms of cadence include plagal cadence.

cadence (noun)	amen cadence (noun)
a recurrent rhythmical series	a cadence (frequently ending church music) in which the chord of the subdominant precedes the chord of the tonic
the close of a musical section
(prosody) the accent in a metrical foot of verse