Practicing with compound words is an easy way for a child to expand their vocabulary.

I hadn’t: “Nowhere” is indeed one word. I also quickly realized just how easy it is, given our language’s constant state of flux, to make such a mistake when dealing with compound words.

The list goes on: afternoon, earthquake, popcorn, graveyard, airport—all of these words just work. Other compound words … not so much. A nightmare is not a nocturnal horse.

A compound modifier is two or more words working like an adjective to modify another word, usually a noun.

On-air challenge: You'll get three words starting with the letters C, P, and R (as in the life-saving technique). For each set, give a fourth word that can follow to complete compound words or ...

On-air challenge: You'll get three words starting with the letters C, P, and R (as in the life-saving technique). For each set, give a fourth word that can follow to complete compound words or ...