sniggle vs snort

sniggle

verb
  • To chortle or chuckle; snicker. 

  • To ensnare. 

  • To fish for eels by thrusting a baited hook into their dens. 

  • To catch by this means. 

snort

verb
  • To express or force out by snorting. 

  • To sail at periscope depth through the use of a snort or snorkel. 

  • To make a snort; to exhale roughly through the nose. 

  • To inhale (usually a drug) through the nose. 

noun
  • A dose of snuff or other drug to be snorted. 

  • A submarine snorkel. 

  • The sound made by exhaling or inhaling roughly through the nose. 

  • A consumed portion of alcoholic drink. 

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