naphthalene vs mothball

naphthalene and mothball both are nouns.

Word	Noun	Adjective	Verb	Adverb
naphthalene	Yes	No	No	No
mothball	Yes	No	Yes	No

naphthalene (noun)	mothball (noun)
a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs	a small sphere of camphor or naphthalene used to keep moths away from stored clothing

naphthalene (verb)	mothball (verb)
	put into long-term storage