What are ferrets related to?

A ferret is a weasel like mammal (Mustela putorius furo) related to the European polecat ferret and often trained to hunt rats or rabbits. Ferrets are related to weasels in the family Mustelidae of the orderCarnivora.

The weasel family includes - Ferret, stoat, polecat, mink, ermine, black-footed ferret, long tailed weasel, least weasel. Other relatives of the weasels are martens, otters, badgers, and wolverines. The terms stoat and ermine are terms for the long tailed and short tailed weasels in their winter coats.. Ferrets are not related to skunks or rodents

Polecats, weasels, stoats, pine martens, badgers, skunks, wolverines, otters, grisons and tayras - the Mustelidae.

Yes, they are all in the Mustelidae family and very similar in body shape and size