1. The basic unit of money in Bangladesh.
5. South American wood sorrel cultivated for its edible tubers.
8. A solution containing a phosphate buffer.
11. An Arabic speaking person who lives in Arabia or North Africa.
12. A close friend who accompanies his buddies in their activities.
13. Considerate and solicitous care.
14. (computer science) A kind of computer architecture that has a relatively small set of computer instructions that it can perform.
15. A gradual decline (in size or strength or power or number).
16. (Akkadian) God of wisdom.
17. Tag the base runner to get him out.
21. The month following March and preceding May.
25. A landlocked desert republic in north-central Africa.
26. Derived from or containing calcium or lime.
29. Not only so, but.
31. A river in north central Switzerland that runs northeast into the Rhine.
32. A Kwa language spoken by the Yoruba people in southwestern Nigeria.
35. (computer science) A computer that is running software that allows users to leave messages and access information of general interest.
36. A network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels.
41. A religious belief of African origin involving witchcraft and sorcery.
45. A river in north central Switzerland that runs northeast into the Rhine.
46. (British) A waterproof raincoat made of rubberized fabric.
47. Title for a civil or military leader (especially in Turkey).
48. A benevolent aspect of Devi.
49. A loose sleeveless outer garment made from aba cloth.
50. An official language of the Republic of South Africa.
51. East Indian tree bearing a profusion of intense vermilion velvet-textured blooms and yielding a yellow dye.

1. A mountain lake (especially one formed by glaciers).
2. An elaborate song for solo voice.
3. The quarter of many North African cities in which the citadel is located.
4. The elementary stages of any subject (usually plural).
5. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
6. A compartment in front of a motor vehicle where driver sits.
7. A white linen liturgical vestment with sleeves.
8. A heavy precious metallic element.
9. (pathology) An elevation of the skin filled with serous fluid.
10. A narcotic that is considered a hard drug.
18. A unit of dry measure used in Egypt.
19. West Indian tree having racemes of fragrant white flowers and yielding a durable timber and resinous juice.
20. Type genus of the Alcidae comprising solely the razorbill.
22. Something that remunerates.
23. United States newspaper publisher (1858-1935).
24. An informal term for a father.
27. A heavy brittle metallic element of the platinum group.
28. A ductile gray metallic element of the lanthanide series.
30. The blood group whose red cells carry both the A and B antigens.
33. Cubes of meat marinated and cooked on a skewer usually with vegetables.
34. A city in central New York.
35. The elementary stages of any subject (usually plural).
37. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
38. (computer science) A data transmission rate (bits/second) for modems.
39. God of love and erotic desire.
40. Any of various strong liquors distilled from the fermented sap of toddy palms or from fermented molasses.
42. Not reflecting light.
43. Title for a civil or military leader (especially in Turkey).
44. The federal agency that insures residential mortgages.