gong vs necessary house

gong

verb
  • To give an award or medal to. 

  • To make the sound of a gong; to ring a gong. 

  • To warn. 

  • To halt (originally, a contestant in a talent show; later, a performer, a speaker). 

noun
  • A percussion instrument consisting of a metal disk that emits a sonorous sound when struck with a soft hammer. 

  • An advanced practice that cultivates such energy. 

  • A kind of cultivation energy, more powerful than qi. 

  • A medal or award, particularly Knight Bachelor. 

necessary house

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