sulphur vs sulfide

sulphur and sulfide both are nouns.

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

sulphur (noun)	sulfide (noun)
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)	a compound of sulphur and some other element that is more electropositive

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