The answers to the clues below will have something in common.

 

1. U.S. mid-western state

2. Herb of the mint family

3. South American river

4. Scandinavian capital

5. Crossword cookie

6. Miscellaneous collection

7. Margarine

8. Pasta the size of a large grain of rice

 

Answers:

 

1. OHIO

2. OREGANO

3. ORINOCO

4. OSLO

5. OREO

6. OLIO

7. OLEO

8. ORZO - - - All answer words begin and end in "O".