killer whale, killer, orca, grampus, sea wolf, Orcinus orca
['bathtub, bathing tub, bath, tub', 'sea slug, nudibranch', 'hatchet', 'bow', 'dogsled, dog sled, dog sleigh', 'kelpie', 'African crocodile, Nile crocodile, Crocodylus niloticus']