grapevine vs suggestion

grapevine

noun
  • A rumor. 

  • A leglock. 

  • The plant, a vine of genus Vitis, on which grapes grow. 

  • A move in which the feet are alternately placed in front of each other, while both remaining on the ice or ground, incorporating half-turns. 

  • An informal person-to-person means of circulating information or gossip. 

verb
  • To restrain in a leglock. 

suggestion

noun
  • Something implied, which the mind is liable to take as fact. 

  • Information, insinuation, speculation, as opposed to a sworn testimony and evidence. 

  • Something suggested (with subsequent adposition being for) 

  • The act of suggesting. 

  • The act of exercising control over a hypnotised subject by communicating some belief or impulse by means of words or gestures; the idea so suggested. 

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