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3. a four-sided plane figure, especially a square or rectangle
6. an athlete who takes part in a decathlon
7. an animal which has four feet
8. an athletic event comprising five different events for each competitor
9. each of five children born to the same mother at one birth
11. representing the most perfect or typical example of a quality or class
12. describes any form of government where power is divided among four individuals
13. is a model of Church organization
16. an athlete who takes part in a pentathlon
18. each of four quarters of a circle

1. recurring every four years
2. a five-pointed star that is formed by drawing a continuous line in five straight segments
4. kill, destroy, or remove a large percentage or part of
5. the most perfect or typical example of a quality or class
10. a group of four related literary or operatic works
11. four children born at one birth
14. a group or set of five
15. an athletic event taking place over two days, in which each competitor takes part in the same prescribed ten events
17. a four-footed animal, especially a member of a group which includes all vertebrates higher than fishes