The term 'Cousin of a Prairie' can be solved by the crossword solution 'STEPPE', which is a 6-letter word. STEPPE is a type of grassland ecosystem found in temperate and semi-arid regions of Eurasia and North America. It is characterized by its dry climate, low rainfall, and large areas of grassland with few trees. Steppes are home to a variety of wildlife, including large mammals such as bison, antelope, and horses. They are also important habitats for birds, reptiles, and insects.