The term RUSH SITES can be broken down into two crossword solutions: MARSHES (7 letters). Marsh sites are areas of land that are typically wet and filled with vegetation, such as grasses, reeds, and other aquatic plants. These areas are often found near bodies of water, such as rivers, lakes, and oceans. They provide a habitat for many species of animals, birds, and insects, and are important for the health of the local environment.