hydrogen sulphide;  hydrogen sulfide;  sulphuretted hydrogen;  sulfuretted hydrogen
 mercury sulfide (esp. mercuric sulfide, HgS, but also mercurous sulfide, Hg2S) (sulphide)
 iron sulfide;  iron sulphide
 antimony sulfide;  antimony sulphide
 vulcanized rubber;  vulcanised rubber
 cadmium sulfide (CdS) (sulphide)
 zinc sulfide (ZnS) (sulphide)