Regulars to the Brain Game are aware that I'm a U.S. geography nut, and some of my favorite puzzles focus on the names of states and capitals... like this one. Enjoy:

What letter of the alphabet appears
in the names of 11 different U.S. states
but not a single U.S. state capital?

Here is the SOLUTION.

THE SOLUTION:

The letter "W."

It appears in the names of the states of Delaware, Hawaii, Iowa, New Hampshire, New Jersey, New Mexico, New York, Washington, West Virginia, Wisconsin, and Wyoming.