bongo drum vs membranophone

bongo drum and membranophone both are nouns.

Word	Noun	Adjective	Verb	Adverb
bongo drum	Yes	No	No	No
membranophone	Yes	No	No	No

As nouns, membranophone is a hypernym of bongo drum; that is, membranophone is a word with a broader meaning than bongo drum:

bongo drum: a small drum; played with the hands
membranophone: a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end

Other hypernyms of bongo drum include drum, tympan.

bongo drum (noun)	membranophone (noun)
a small drum; played with the hands	a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end