chub vs wels catfish

chub

noun
  • Any of various vaguely related marine or freshwater fishes. 

  • 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). 

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

  • Excess body fat. 

  • A chubby, plump person. 

  • An overweight or obese gay man. 

wels catfish

noun
  • Silurus glanis, a scaleless fresh-water catfish recognizable by its broad, flat head and wide mouth. 

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