Burrowing rodents are small mammals that live underground. The term includes hamsters, which have seven letters; moles, with four letters; marmots, with six letters; agoutis, also with six letters; gophers, with six letters; gerbils, with six letters; pacas, with four letters; and voles, with four letters. These animals are adapted to living in burrows, and they use their sharp claws and teeth to dig tunnels and chambers.