bum vs earplug

bum

verb
  • To make a murmuring or humming sound. 

  • 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 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. 

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. 

earplug

verb
  • To fit with earplugs. 

noun
  • A piece of protective gear meant to be inserted in the ear canal to protect the wearer's hearing from loud noises or the intrusion of water. 

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