tympan vs membranophone

tympan and membranophone both are nouns.

Word	Noun	Adjective	Verb	Adverb
tympan	Yes	No	No	No
membranophone	Yes	No	No	No

As nouns, tympan and membranophone are synonyms defined as:

tympan and membranophone: a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end

Other synonyms of tympan include drum.

tympan (noun)	membranophone (noun)
a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end	a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end