plagal cadence vs cadence

plagal cadence and cadence both are nouns.

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

As nouns, cadence is a hypernym of plagal cadence; that is, cadence is a word with a broader meaning than plagal cadence:

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

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