On-air challenge: I'm going to name a category. You name something in the category whose first two letters are the last two letters of the category's name.
For example: Vegetable —> Leek or lettuce.
Last week's challenge, from listener Sandy Weisz of Chicago: Weisz runs something called The Mystery League, which conducts puzzle hunts. This challenge wasn't too hard. Name a unit of measurement. Remove two consecutive letters. The letters that remain can be rearranged to name what this measurement measures. What is it?
Answer: minute —> time
Winner: Marc Wright of Tacoma, Wash.
Next week's challenge: This one is an extension of my on-air puzzle. Think of a category in three letters in which the last two letters are the first two letters of something in that category. And the thing in the category has seven letters. Both names are common, uncapitalized words. What are they?
If you know the answer to next week's challenge, submit it here. Listeners who submit correct answers win a chance to play the on-air puzzle. Important: Include a phone number where we can reach you Thursday, Jan. 21, at 3 p.m. ET.