Type of whale is a broad term that encompasses many species of cetaceans. RORQUAL (7 letters) is a type of baleen whale, which are characterized by their long, slender bodies and large mouths. ORCA (4 letters) is another name for the killer whale, which is the largest member of the dolphin family. Sei (3 letters) whales are also baleen whales, and are known for their long, slender bodies and tall dorsal fins. Sperm (5 letters) whales are the largest toothed whales, and are easily identified by their large heads and prominent spermaceti organ. HUMPBACK (8 letters) whales are known for their long pectoral fins and complex songs. Finally, SCRAG (5 letters) whales are a type of right whale, and are characterized by their dark gray color and V-shaped blowholes.