Weasel's relative is a term used to refer to several species of animals that are closely related to the weasel. These include the MINK (4 letters), MARTEN (6 letters), otter (5 letters), SABLE (5 letters) and STOAT (5 letters). All of these animals belong to the Mustelidae family, which includes weasels, badgers, ferrets, and wolverines. They are all small mammals with long, slender bodies and short legs. They are also carnivorous, feeding on small rodents, birds, and insects.