1. Duo
5. Reflected sound
9. A river in Spain
10. Type of carpet
11. Cease
12. Stair
13. Consequence
14. Astringent
17. Chair
20. Industriousness
21. Found on a rotary phone
22. Matures
23. "Your majesty"
24. In order that not
1. Animal friends
2. Assist
3. Contrary to rule
4. Frolic
5. Slave
6. Dare
7. Stetsons and derbies
8. Arch type
14. Tallies
15. Fifty-three in Roman numerals
16. 5280 feet
17. Secure against leakage
18. Cards with just one symbol
19. Exam