oil rig vs snout

oil rig

noun
  • A rig, consisting of platform and machinery, used to drill for oil and other petroleum products like natural gas. 

snout

noun
  • The nozzle of a pipe, hose, etc. 

  • The anterior prolongation of the head of a gastropod; a rostrum. 

  • The long, projecting nose, mouth, and jaw of a beast, as of pigs. 

  • Tobacco; cigarettes. 

  • The terminus of a glacier. 

  • A butterfly in the nymphalid subfamily Libytheinae, notable for the snout-like elongation on their heads. 

  • A person's nose. 

  • A police informer. 

  • The front of the prow of a ship or boat. 

  • The anterior prolongation of the head of weevils and allied beetles; a rostrum. 

verb
  • To furnish with a nozzle or point. 

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