bum vs grex

bum

noun
  • The anus. 

  • A drinking spree. 

  • A lazy, incompetent, or annoying person, usually a man. 

  • The buttocks. 

  • A homeless person, usually a man. 

  • A player or racer who often performs poorly. 

verb
  • To ask someone to give one (something) for free; to beg for something. 

  • To wet the end of a marijuana cigarette (spliff). 

  • To sodomize; to engage in anal sex. 

  • To make a murmuring or humming sound. 

  • To stay idle and unproductive, like a hobo or vagabond. 

  • To depress; to make unhappy. 

adj
  • Of poor quality or highly undesirable. 

  • Unfair. 

  • Injured and without the possibility of full repair, defective. 

  • Unpleasant or unhappy. 

intj
  • An expression of annoyance. 

grex

noun
  • A multicellular aggregate of amoeba. 

  • A kind of group used in horticultural nomenclature, applied to the progeny of an artificial cross from specified parents, in particular for orchids. 

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