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.

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.

NPR's Ayesha Rascoe plays the puzzle with KPCC listener Seth Bowling of Long Beach, Calif., and puzzlemaster Will Shortz.

For each set, give a fourth word that can follow to complete compound words or familiar two-word phrases. Example: Chain, Priority, Registered --> MAIL (chain mail, priority mail, registered mail) ...