maw vs sniffer

maw

noun
  • The mouth. 

  • Mother. 

  • Any large, insatiable or perilous opening. 

  • Appetite; inclination. 

  • A gull. 

  • The upper digestive tract (where food enters the body), especially the mouth and jaws of a fearsome and ravenous creature. 

sniffer

noun
  • The nose. 

  • A software or hardware tool for intercepting and logging network traffic. 

  • One who sniffs. 

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