| VATTERN | Second-largest lake in Sweden (7) |
| VANERN | Native name of the largest lake in Sweden, and the largest in Europe outside of Russia (6) |
| ROTORUA | Second largest lake in the North Island (7) |
| ONEGA | Lake in Russia that is the second largest lake in Europe |
| ULLSWATER | Second largest lake in the Lake District |
| TITICACA | Lying high in the Andes Mountains, astride the border between Peru and Bolivia, it is the second largest lake in South America (8) |
| MAGGIORE | Second-largest lake in Italy, in Piedmont and Lombardy and the Swiss canton of Ticino (8) |
| LOCHNESS | Second-largest lake in Britain by area, and the second deepest (4,4) |
| HURON | Second-largest lake in North America |
| ARALSEA | Lake in Kazakhstan and Uzbekistan that was formerly the fourth largest lake in the world (4,3) |
| ILIAMMA | Largest lake in Alaska, in the south-west between Kvichak Bay and Cook Inlet (7) |
| BALATON | Largest lake in central Europe (7) |
| LOCHNESSMONSTER | Legendary marine creature believed by some to inhabit Scotland's second largest lake (4,4,7) |
| REE | Lough __, second-largest lake on the River Shannon |
| NESS | Scotland's second largest lake |
| TEANAU | NZ's second largest lake by surface area (2,4) |
| SUBGLACIAL | More than 150 miles (about 240 km) long with a maximum width of about 31 miles (50 km), Lake Vostok is the largest lake in Antarctica, and the largest __________ lake known (10) |
| ARAL | ___ Sea (environmentally-destroyed lake in the former Soviet Union whose Wikipedia page is written in the past tense; 50 years ago it was the fourth-largest lake in the world) |
| BEAR | Great ___ Lake (fourth-largest lake in North America) |
| GARDA | Lake ___, largest lake in Italy |
