blob vs porpoise

blob

noun
  • A small freshwater fish (Cottus bairdii); the miller's thumb. 

  • A score of zero. 

  • A shapeless or amorphous mass; a vague shape or amount, especially of a liquid or semisolid substance; a clump, group or collection that lacks definite shape. 

  • A large cloud of gas. 

  • The partially inflated air bag used in the sport of blobbing. 

  • A bubble; a bleb. 

verb
  • To fall in the form of a blob or blobs. 

  • To drop in the form of a blob or blobs. 

  • To drop a blob or blobs onto; to cover with blobs. 

  • To relax idly and mindlessly; to veg out. 

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 blob and porpoise occurred in a corpus of books? (source: Google Ngram Viewer )