clunch vs slob

clunch

verb
  • To grasp firmly; clench. 

noun
  • A traditional building material mostly made of chalk or clay. 

slob

verb
  • To slop or spatter. 

  • To act like a slob, in a lazy or slovenly way. 

  • To move slowly or cumbersomely. 

  • To drool or slobber; to talk while slobbering. 

  • To perform fellatio. 

noun
  • A lazy and slovenly or obese person. 

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