celestial body vs starfish

celestial body

noun
  • A natural object which is located outside of Earth's atmosphere, such as a comet, an asteroid, the Moon, a planet, the Sun, or a star. 

starfish

noun
  • Any of various asteroids or other echinoderms (not in fact fish) with usually five arms, many of which eat bivalves or corals by everting their stomach. 

  • The anus. 

  • A woman (or, less commonly, a gay man) who reluctantly takes part in sexual intercourse, and lies on the back while spreading the limbs. 

verb
  • To form into a splayed-out shape, like that of a starfish. 

  • To assume a splayed-out shape, like that of a starfish. 

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