1. Beat
4. Beginner
8. Football defender
13. Possess
14. Aquatic bird
15. Captures
16. Psalmbook
18. Cardinal point
19. A corpse
21. Vessel used for private cruising
23. Changes
27. Reply
31. Predatory South American fish
33. Give merit
34. Wish
35. Portfolio
36. Saucily
37. Part of the foot
38. Respiration disorder

Down

2. Horselaugh
3. Integrity
5. Last letter of the Greek alphabet
6. Went by bicycle
7. Doctor's oath
9. Simulate
10. Belonging to first lady
11. Incandescent lamp
12. The lowest female singing voice
17. Cereal grass
20. Mischievous child
22. Luminous bullets
24. Person in the petroleum industry
25. Fall in drops
26. Japanese rice beer
28. Stately aquatic bird
29. Immense
30. Preliminary
32. Impertinence