Doubloon and Platinum

Doubloon noun - A former Spanish gold coin.

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

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.

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