free-for-all vs hum

free-for-all

noun
  • Chaos; a chaotic situation lacking rules or control. 

  • Deathmatch, sometimes specifically one in which every player is pitted against all the others. 

adj
  • Open to anyone and with no or few rules. 

hum

noun
  • 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. 

  • Unpleasant odour. 

  • 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. 

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

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

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 free-for-all and hum occurred in a corpus of books? (source: Google Ngram Viewer )