gad vs hum

gad

intj
  • An exclamation roughly equivalent to by God, goodness gracious, for goodness' sake. 

noun
  • A greedy and/or stupid person. 

  • A goad, a sharp-pointed rod for driving cattle, horses, etc, or one with a whip or thong on the end for the same purpose. 

  • One who roams about idly; a gadabout. 

  • A rod or stick, such as a fishing rod or a measuring rod. 

  • A pointed metal tool for breaking or chiselling rock. 

  • A spike on a gauntlet; a gadling. 

verb
  • To move from one location to another in an apparently random and frivolous manner. 

hum

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

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

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 

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