Oyster and Platinum

Oyster noun - Marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal waters.

Platinum and oyster are semantically related. In some cases you can use "Platinum" instead an adjective "Oyster".

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.

Oyster and platinum are semantically related. Sometimes you can use "Oyster" instead an adjective "Platinum".