Compound words are formed when two or more separate words are joined together. This creates a brand new word that often has a new meaning. I think I see a pattern emerging. It's a football. Some snow ...

On-air challenge: I'm going to give you three words, one of which is an animal. You give me a fourth word that can follow each of mine to complete a compound word or a familiar two-word phrase.

NPR's Ayesha Rascoe plays the puzzle with KPCC listener Seth Bowling of Long Beach, Calif., and puzzlemaster Will Shortz. Sunday Puzzle: Compound word sets On-air challenge: You'll get three words ...