heavy metal vs popular

heavy metal

noun
  • Great influence or power. 

  • A genre descended from rock music, characterized by massive sound, highly amplified distortion, and overall loudness, often with extended guitar solos, and lyrics that involve aggressive or fantastic imagery. 

  • Any metal that has a specific gravity greater than about 5, especially one, such as lead, that is poisonous and may be a hazard in the environment. (There are many different definitions of what counts as a heavy metal; see Heavy metals for a discussion.) 

  • guns or shot of large size. 

popular

noun
  • A member of the Populares 

  • A person who is popular, especially at a school. 

  • An inexpensive newspaper with wide circulation. 

adj
  • Liked by many people; generally pleasing, widely admired. 

  • Common among the general public; generally accepted. 

  • Pertaining to or deriving from the people or general public. 

  • Adapted to the means of the common people; cheap. 

  • Concerning the people; public. 

  • Aimed at ordinary people, as opposed to specialists etc.; intended for general consumption. 

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