1. The federal agency that insures residential mortgages.
4. One of the most common of the five major classes of immunoglobulins.
7. United States writer (born in Poland) who wrote in Yiddish (1880-1957).
11. A former agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States.
12. The longer of the two telegraphic signals used in Morse code.
13. (Greek mythology) Goddess of the earth and mother of Cronus and the Titans in ancient mythology.
14. The most common computer memory which can be used by programs to perform necessary tasks while the computer is on.
15. Title for a civil or military leader (especially in Turkey).
16. A town in north central Oklahoma.
17. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
19. The elementary stages of any subject (usually plural).
20. A loose sleeveless outer garment made from aba cloth.
21. The blood group whose red cells carry both the A and B antigens.
24. Aromatic bulb used as seasoning.
27. A graphical recording of the cardiac cycle produced by an electrocardiograph.
30. Any of a number of fishes of the family Carangidae.
32. (informal) Of the highest quality.
35. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
37. A logarithmic unit of sound intensity.
39. A soft silvery metallic element of the alkali earth group.
40. An alchemist of German legend who sold his soul to Mephistopheles in exchange for knowledge.
44. The sense organ for hearing and equilibrium.
46. (British) A waterproof raincoat made of rubberized fabric.
49. Any competition.
50. The 7th letter of the Greek alphabet.
51. A plant hormone promoting elongation of stems and roots.
52. (botany) Of or relating to the axil.
53. An informal term for a father.
54. Someone who engages in arbitrage (who purchases securities in one market for immediate resale in another in the hope of profiting from the price differential).
55. A small cake leavened with yeast.
56. A logarithmic unit of sound intensity.

1. A card game in which players bet against the dealer on the cards he will draw from a dealing box.
2. A collection of objects laid on top of each other.
3. The highest level or degree attainable.
4. An agency of the United Nations affiliated with the World Bank.
5. Mentally or physically infirm with age.
6. According to the Old Testament he was a pagan king of Israel and husband of Jezebel (9th century BC).
7. How long something has existed.
8. The capital and largest city of Yemen.
9. Tropical American trees with palmately compound leaves and showy bell-shaped flowers.
10. Relating to the deepest parts of the ocean (below 6000 meters).
18. A white metallic element that burns with a brilliant light.
22. A light strong brittle gray toxic bivalent metallic element.
23. A small pellet fired from an air rifle or BB gun.
25. Being nine more than ninety.
26. Resinlike substance secreted by certain lac insects.
28. A tight-fitting headdress.
29. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
31. A light touch or stroke.
33. Liquid containing proteins and electrolytes including the liquid in blood plasma and interstitial fluid.
34. The largest city of Cameroon.
36. (folklore) A corpse that rises at night to drink the blood of the living.
37. A humorous anecdote or remark.
38. A Chadic language spoken south of Lake Chad.
41. An Arabic speaking person who lives in Arabia or North Africa.
42. Someone who works (or provides workers) during a strike.
43. A three-tone Chadic language.
45. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
47. A river in north central Switzerland that runs northeast into the Rhine.
48. A compartment in front of a motor vehicle where driver sits.