Synonyms for Yukon (same or very similar meaning)
WordNet sense 1 (a North American river that flows westward from the Yukon Territory through central Alaska to the Bering Sea):
Yukon RiverWordNet sense 2 (a territory in northwestern Canada; site of the Klondike gold rush in the 1890s):
Yukon TerritoryFrom the ODE community, based on WordNetadd/edit