sulfide vs sulfur

sulfide and sulfur both are nouns.

Word	Noun	Adjective	Verb	Adverb
sulfide	Yes	No	No	No
sulfur	Yes	No	Yes	No

sulfide (noun)	sulfur (noun)
a compound of sulphur and some other element that is more electropositive	an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)

sulfide (verb)	sulfur (verb)
	treat with sulphur in order to preserve