Sulphide (the British English spelling of "sulfide") is a chemical term associated with the following chemical classes:
Sulfide Bisulfide Disulfide Thioether
It can also be associated with the name of a geographic location:
Places Sulphide Creek Falls, a waterfall in North Cascades National Park Sulphide Glacier, a glacier feeding the falls Sulphide Creek, the creek feeding the falls Sulphide Lake, a small lake upstream of the falls Sulphide, Ontario Sulphide Creek (Hastings County)