reggae vs popular music

reggae and popular music both are nouns.

Word	Noun	Adjective	Verb	Adverb
reggae	Yes	No	No	No
popular music	Yes	No	No	No

As nouns, popular music is a hypernym of reggae; that is, popular music is a word with a broader meaning than reggae:

reggae: popular music originating in the West Indies; repetitive bass riffs and regular chords played on the off beat by a guitar
popular music: any genre of music having wide appeal (but usually only for a short time)

Other hypernyms of reggae include popular music genre.

reggae (noun)	popular music (noun)
popular music originating in the West Indies; repetitive bass riffs and regular chords played on the off beat by a guitar	any genre of music having wide appeal (but usually only for a short time)