bass drum vs membranophone

bass drum and membranophone both are nouns.

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

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

bass drum: a large drum with two heads; makes a sound of indefinite but very low pitch
membranophone: a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end

Other hypernyms of bass drum include drum, tympan.

bass drum (noun)	membranophone (noun)
a large drum with two heads; makes a sound of indefinite but very low pitch	a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end