13-letter words containing u, k, i, p
- upper chinook — a Chinookan language of the Columbia River valley from the Deschutes River to the estuary.
- winnepesaukee — Lake, a lake in central New Hampshire: summer resort. 25 miles (40 km) long.
- winnipesaukee — Lake, a lake in central New Hampshire: summer resort. 25 miles (40 km) long.
- working group — A working group is the same as a working party.