fug vs hum

fug

noun
  • A heavy, musty, stuffy or unpleasant atmosphere, usually in a poorly-ventilated area. 

  • A contemptible person. 

  • A state of chaos or confusion. 

  • A state of lethargy and confusion; daze. 

  • Something of little value. 

  • Used as an intensifier. 

verb
  • To remain indoors, usually understood as being in a tightly closed room. 

  • To damage or destroy. 

  • Used to express displeasure. 

  • To create a fug (heavy unpleasant atmosphere). 

  • To be surrounded by a fug (heavy unpleasant atmosphere). 

  • To put into a fug (daze). 

  • To copulate with. 

hum

noun
  • Unpleasant odour. 

  • A phenomenon, or collection of phenomena, involving widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise not audible to all people. 

  • Busy activity, like the buzz of a beehive. 

  • A hummed tune, i.e. created orally with lips closed. 

  • An often indistinct sound resembling human humming. 

verb
  • To produce low sounds which blend continuously 

  • To express by humming. 

  • To reek, smell bad. 

  • To make a sound from the vocal chords without pronouncing any real words, with one's lips closed. 

  • To drone like certain insects naturally do in motion, or sounding similarly 

  • To buzz, be busily active like a beehive 

intj
  • Synonym of um: a noise indicating doubt, uncertainty, &c. 

  • Synonym of hmm: a noise indicating thought, consideration, &c. 

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