caoutchouc vs goo

caoutchouc

noun
  • latex; natural rubber 

goo

noun
  • Any semi-solid or liquid substance; especially one that is sticky, gummy or slippery, unpleasant, and of vague or unknown composition, such as slime or semen. 

  • A noise made by a baby trying to imitate speech. 

  • Excessive, showy sentimentality. 

verb
  • To produce baby talk. 

  • Elongated form of go. 

  • To apply goo to something. 

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