14-letter words containing s, a, k, u, n
- upper tunguska — any of three tributaries of the Yenisei River in the central Russian Federation in Asia: the (Lower Tunguska) 2000 miles (3220 km) long; the (Upper Tunguska) or the lower course of the Angara, 1151 miles (1855 km) long; and the (Stony Tunguska) about 975 miles (1570 km) long.