gran casa vs membranophone

gran casa and membranophone both are nouns.

Word	Noun	Adjective	Verb	Adverb
gran casa	Yes	No	No	No
membranophone	Yes	No	No	No

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

gran casa: 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 gran casa include drum, tympan.

gran casa (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