Native sulphur and Sulfur

Native sulphur noun - An old name for sulfur.

Sulfur and native sulphur are semantically related. In some cases you can use "Sulfur" instead a noun phrase "Native sulphur".

Sulfur 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).

Native sulphur and sulfur are semantically related. Sometimes you can replace phrase "Native sulphur" with "Sulfur", this terms are similar.