razz vs sniggle

razz

verb
  • To tease playfully; to heckle. 

  • To heckle by blowing a raspberry. 

  • To drive an automobile around. 

noun
  • A version of seven card stud where the worst poker hand wins (called lowball). 

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. 

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