Earring and Platinum

Earring noun - Jewelry to ornament the ear; usually clipped to the earlobe or fastened through a hole in the lobe.

Platinum and earring are semantically related. In some cases you can use "Platinum" instead a noun "Earring".

Platinum noun - A heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits.

Earring and platinum are semantically related. Sometimes you can use "Earring" instead a noun "Platinum".