chub vs chubber

chub

noun
  • A chubby, plump person. 

  • In North America, the black bass. 

  • In Europe, its close relatives, notably the fallfish. 

  • A plastic or other flexible package of meat, usually ground meat or luncheon meat. 

  • An erection (erect penis). 

  • Any of various vaguely related marine or freshwater fishes. 

  • A European chub (Squalius cephalus, syn. Leuciscus cephalus) 

  • Excess body fat. 

  • An overweight or obese gay man. 

chubber

noun
  • A chubby person. 

  • An erect penis. 

  • An outdoorsman. 

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