comet vs tiger

comet

noun
  • A celestial phenomenon with the appearance of such a body. 

  • A small Solar System body consisting mainly of volatile ice, dust and particles of rock whose very eccentric solar orbit periodically brings it close enough to the Sun that the ice vaporises to form an atmosphere, or coma, which may be blown by the solar wind to produce a visible tail. 

  • Any of several species of hummingbird found in the Andes. 

tiger

noun
  • A representation of a large mythological cat, used on a coat of arms. 

  • A pneumatic box or pan used in refining sugar. 

  • A tiger moth in the family Arctiidae. 

  • A kind of growl or screech, after cheering. 

  • A tiger beetle. 

  • A tiger butterfly in tribe Danaini, especially subtribe Danaina 

  • A final shouted phrase, accompanied by a jump or outstretched arms, at the end of a cheer. 

  • Any of the three Australian species of black-and-yellow striped dragonflies of the genus Ictinogomphus. 

  • A male tiger; as opposed to a tigress. 

  • A leopard. 

  • Panthera tigris, a large predatory mammal of the cat family, indigenous to Asia. 

  • A relatively small country or group of countries with a fast-growing economy. 

  • A ferocious, bloodthirsty and audacious person. 

  • A person who is very athletic during sexual intercourse. 

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