buckminsterfullerene vs buckyball

buckminsterfullerene and buckyball both are nouns.

Word	Noun	Adjective	Verb	Adverb
buckminsterfullerene	Yes	No	No	No
buckyball	Yes	No	No	No

As nouns, buckminsterfullerene and buckyball are synonyms defined as:

buckminsterfullerene and buckyball: a spheroidal fullerene; the first known example of a fullerene

buckminsterfullerene (noun)	buckyball (noun)
a spheroidal fullerene; the first known example of a fullerene	a spheroidal fullerene; the first known example of a fullerene