kisser vs sniffer

kisser

noun
  • Face. 

  • Mouth. 

  • One who kisses. 

  • The kissing gourami. 

  • A button on a bowstring that indicates consistent height when drawing a bow, for example by being placed against the archer's mouth . 

sniffer

noun
  • The nose. 

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

  • One who sniffs. 

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