SOS vs cry

SOS

noun
  • A children's game in which players take turns to place S's and O's on a grid, collecting points by creating an "SOS" sequence. 

  • The conventional Morse code call made by a ship in distress. 

cry

noun
  • A desperate or urgent request. 

  • Words shouted or screamed. 

  • A shout or scream. 

  • A group of hounds. 

  • A clamour or outcry. 

  • A shedding of tears; the act of crying. 

  • A typical sound made by the species in question. 

verb
  • To utter inarticulate sounds, as animals do. 

  • To shed tears; to weep. 

  • To shout, scream, yell. 

  • To cause to do something, or bring to some state, by crying or weeping. 

  • To utter loudly; to call out; to declare publicly. 

  • To make oral and public proclamation of; to notify or advertise by outcry, especially things lost or found, goods to be sold, auctioned, etc. 

  • Hence, to publish the banns of, as for marriage. 

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