Title Word Index : Ur
| ur | All your base are belong to us Jerusalem Sheikh Mujibur Rahman Urdu | 
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| uraguay | Uruguay | 
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| ural | Eastern Front (World War II) | 
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| uramine | Calcium chloride | 
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| uraniam | Uranium | 
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| uranian | Gas giant | 
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| uranic | Uranium | 
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| uranium | Uranium | 
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| uranus | The Planets Uranus | 
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| urban | Existentialism Infrastructure Poverty Recycling | 
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| urbica | Common House Martin | 
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| urbicum | Common House Martin | 
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| urbinas | Raphael | 
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| urbino | Raphael | 
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| urcrustacea | Crustacean | 
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| urcunina | Galeras | 
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| urd | Odin Urdu | 
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| urdoo | Urdu | 
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| urdu | Urdu | 
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| urdū | Urdu | 
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| urdun | Jordan Jordan River | 
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| urdunn | Jordan | 
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| urea | Urea | 
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| urgent | Invasion of Grenada | 
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| urgesellschaft | Society | 
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| urine | Bobcat Camel Gray wolf Tiger | 
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| uriniferous | Nephron | 
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| uroleucon | Aphid | 
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| ursa | 47 Ursae Majoris | 
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| ursae | 47 Ursae Majoris 47 Ursae Majoris b | 
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| ursalim | Jerusalem | 
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| ursidae | Bear | 
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| ursine | Bear | 
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| ursinus | Tasmanian devil | 
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| ursoidea | Bear | 
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| ursus | Polar bear | 
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| urú | Uruguay | 
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| uruguai | Uruguay | 
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| uruguay | Montevideo Uruguay Who Wants to Be a Millionaire? | 
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| uruguayo | Uruguay | 
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| urulu | Uluru | 
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| urundi | Burundi | 
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| urvogel | Archaeopteryx | 
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| урысей | Russia | 
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| урыстәыла | Russia | 
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