Weasel's cousin is a term used to refer to a variety of animals related to the weasel, including the ERMINE (6 letters), POLECAT (7 letters), MARTEN (6 letters), otter (5 letters), MINK (4 letters), RAT (3 letters), FERRET (6 letters), SABLE (5 letters), STOAT (5 letters) and FISHER (6 letters). These animals are all members of the Mustelidae family, which includes weasels, badgers, otters, and wolverines. They are typically small, carnivorous mammals with long, slender bodies and short legs. They are found in a variety of habitats, from forests to grasslands, and are known for their agility and speed.