proboscis vs sniffer

proboscis

noun
  • A large or lengthy human nose. 

  • The trunk of an elephant. 

  • The tubular feeding and sucking organ of certain invertebrates like insects, worms and molluscs. 

sniffer

noun
  • The nose. 

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

  • One who sniffs. 

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