clique vs insiders

clique

verb
  • To associate together in a clannish way; to act with others secretly to gain a desired end; to plot. 

noun
  • A group of related web sites that link to each other, like a webring but with exclusive membership determined by the clique owner. 

  • A small, exclusive group of individuals, usually according to lifestyle or social status; a cabal. 

  • A subgraph isomorphic to a complete graph. 

insiders

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