| Ka | a tributary of the Ohio River in West Virginia |
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| Ka | a tributary of the Ohio River in West Virginia |
| Ka | a mountain the Himalayas on the border between Nepal and Tibet (28,146 feet high) |
| Ka | a mountain the Himalayas on the border between Nepal and Tibet (28,146 feet high) |
| Ka | small chevrotain of southeastern Asia |
| Ka | Russian painter who was a pioneer of abstract art (1866-1944) |
| Ka | a city of central Sri Lanka that was the last capital of the ancient kings of Ceylon |
| Ka | any of several herbivorous leaping marsupials of Australia and New Guinea having large powerful hind legs and a long thick tail |
| Ka | Australian annual sometimes cultivated for its racemes of purple flowers and edible yellow egg-shaped fruit |
| Ka | sluggish tailless Australian arboreal marsupial with gray furry ears and coat |
| Ka | an irregular unauthorized court |
| Ka | small Australian wallaby that resembles a hare and has persistent teeth |