melon vs porpoise

melon

noun
  • A mass of adipose tissue found in the forehead of all toothed whales, used to focus and modulate vocalizations. 

  • Genus Benincasa, a winter melon 

  • Breasts. 

  • Genus Momordica, a bitter melon 

  • A light pinkish orange colour, like that of some melon flesh. 

  • Genus Cucumis, various musk melons, including honeydew, cantaloupes, and horned melon. 

  • The head. 

  • Fruit of such plants. 

  • The result of heptazine being polymerized with the tri-s-triazine units linked through an amine (NH) link. 

  • A member of the Green Party, or similar environmental group. 

  • Genus Citrullus, watermelons and others 

adj
  • Of a light pinkish orange colour, like that of melon flesh. 

porpoise

noun
  • Any small dolphin. 

  • A small cetacean of the family Phocoenidae, related to dolphins and whales. 

verb
  • Said of an air-breathing aquatic animal such as a porpoise or penguin: To repeatedly jump out of the water to take a breath and dive back in a continuous motion. 

  • Said of an aircraft: to make a series of plunges when taking off or landing; or of a watercraft: to successively plunge up and down in the water. 

How often have the words melon and porpoise occurred in a corpus of books? (source: Google Ngram Viewer )