side drum vs membranophone

side drum and membranophone both are nouns.

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

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

side drum: a small drum with two heads and a snare stretched across the lower head
membranophone: a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end

Other hypernyms of side drum include drum, tympan.

side drum (noun)	membranophone (noun)
a small drum with two heads and a snare stretched across the lower head	a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end