black-footed ferret, ferret, Mustela nigripes
['Petri dish', 'fountain pen', 'Norwegian elkhound, elkhound', 'horned viper, cerastes, sand viper, horned asp, Cerastes cornutus', 'vacuum, vacuum cleaner', 'Scotch terrier, Scottish terrier, Scottie', 'hammerhead, hammerhead shark']