no vs underground

no

noun
  • a vote not in favor, or opposing a proposition 

  • a negating expression; an answer that shows disagreement, denial, refusal, or disapproval 

det
  • Not any. 

  • Hardly any. 

  • Not (a); not properly, not really; not fully. 

  • Not any possibility or allowance of (doing something). 

prep
  • not, does not, do not, etc. 

  • without 

  • like 

particle
  • Used to show disagreement, negation, denial, refusal, or prohibition. 

  • Used together with an affirmative word or phrase to show agreement. 

  • Used to show agreement with a negative question. 

intj
  • vehement rejection of truthfulness 

  • disgust 

  • mild disapproval 

adv
  • Used before different, before comparatives with more and less, and idiomatically before other comparatives. 

  • not 

  • Used idiomatically before certain other adjectives. 

underground

noun
  • A movement or organisation of people who resist political convention. 

  • A movement or organisation of people who resist artistic convention. 

  • Regions beneath the surface of the earth, both natural (eg. caves) and man-made (eg. mines). 

  • Synonym of subway: a railway that is under the ground. 

adv
  • Below the ground. 

  • Secretly. 

adj
  • Hidden, furtive, secretive. 

  • Below the ground; below the surface of the Earth. 

  • Outside the mainstream, especially unofficial and hidden from the authorities. 

verb
  • To route electricity distribution cables underground. 

How often have the words no and underground occurred in a corpus of books? (source: Google Ngram Viewer )