false truffle vs earthball

false truffle and earthball both are nouns.

Word	Noun	Adjective	Verb	Adverb
false truffle	Yes	No	No	No
earthball	Yes	No	No	No

As nouns, false truffle and earthball are synonyms defined as:

false truffle and earthball: any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles

Other synonyms of false truffle include hard-skinned puffball, puffball.

false truffle (noun)	earthball (noun)
any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles	any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles
any of various fungi of the family Rhizopogonaceae having subterranean fruiting bodies similar to the truffle