Platinum and Stickpin

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.

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

Stickpin noun - A decorative pin that is worn in a necktie.

Platinum and stickpin are semantically related. Sometimes you can use "Platinum" instead a noun "Stickpin".