Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| ambergris | an ash-grey strongly-scented substance, originating in the intestines of the spermaceti whale and used in the manufacture of perfumes > AMBERGRISES. |
| baleen | whalebone, horny plates growing from the palate of certain whales. |
| beluga | the white whale; the sturgeon. |
| blackfish | a name for the pilot whale (also for several kinds of fish). |
| blowhole | the nostril of a whale. |
| bottlenose | a kind of whale or dolphin. |
| bowhead | the great Arctic or Greenland whale. |
| cachalot cacholot | a sperm whale. |
| cetacean | a type of aquatic mammal, including whales and dolphins. |
| cetaceous | of or pertaining to the Cetacea. |
| cete | a whale or sea-monster; also a badger's home. |
| cetology | the study of whales. |
| cowfish | any small cetacean; also a manatee. |
| delphin | an archaic word for a dolphin. |
| delphinoid | a member of the dolphin genus. |
| dolphin | any of a group of small toothed whales belonging to the family Delphinidae. |
| dolphinet | a female dolphin. |
| fenks | the refuse of whale blubber, used as a manure, and in the manufacture of Prussian blue. N.B. no FENK*. |
| finback | a type of whale characterized by a prominent fin on the back, aka RORQUAL. |
| finfish finner | a finback whale. |
| gam | a school of whales; to join up in a gam > GAMS, GAMMING, GAMMED. |
| grampus | Risso's dolphin; also, a popular name for many whales, especially the killer > GRAMPUSES. |
| grayback greyback | the California gray whale. |
| humpback | a kind of whale. |
| krang kreng | the carcass of a whale after the blubber has been removed. |
| lobtail | of a whale, to slap its tail against the surface of the water > LOBTAILINGS. |
| minke | a kind of whale. [From a Norwegian whaler Meincke, who harpooned one by accident]. |
| muktuk | whale skin used for food. [Inupiaq maktak.] |
| mysticete | a species of whale. |
| narwal narwhal narwhale | a kind of whale with a large projecting spiral tusk. |
| odontocete | a subdivision of Cetacea, including the sperm whale, dolphins, etc.; the toothed whales. |
| orc orca | the killer whale. |
| pellach pellack pellock | a porpoise. |
| physeter | a sperm whale. [Gr physeter, a blower, a whale, from physaein, to blow]. |
| porcpisce | (Spenser) a porpoise > PORCPISCES. |
| porpess porpesse | a porpoise. |
| porpoise | a short-snouted genus of the dolphin family; (verb) to move like a porpoise; spec. (of an aircraft, esp. a seaplane) to touch the water or ground and rise again > PORPOISES, PORPOISING, PORPOISED. |
| razorback | the rorqual. |
| rorqual | a large whale-bone whale; a finback > RORQUALS. |
| seahog | the porpoise. |
| sei | a whale, a kind of rorqual. |
| spermaceti | a wax-like substance used in candles, ointments, etc., obtained from oil of sperm-whale, etc > SPERMACETIS. |
| spermous | spermatic; of, derived from or relating to the sperm whale. |
| spouter | a spouting whale; a whaling ship > SPOUTERS. |
| whale | any of an order of cetaceous mammals; (verb) to beat > WHALES, WHALING, WHALED. |
| whalebone | A light flexible substance consisting of the baleen plates of whales; an article made of this. |
| whalelike | like a whale. |
| wholphin | a hybrid of a whale and a dolphin. |
| zeuglodont | any of a genus of fossil whales > ZEUGLODONTS. |