hum vs noise

hum

noun
  • An often indistinct sound resembling human humming. 

  • 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. 

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. 

noise

noun
  • Various sounds, usually unwanted or unpleasant. 

  • Sound or signal generated by random fluctuations. 

  • Any sound. 

  • Any part of a signal or data that reduces the clarity, precision, or quality of the desired output. 

  • Speech that is suggestive of an attitude or opinion. 

  • A genre of rock music that uses static and other non-musical sounds, also influenced by art rock. 

  • The measured level of variation in gene expression among cells, regardless of source, within a supposedly identical population. 

  • Rumour or complaint. 

  • Unwanted fuss or bustle; useless activity. 

verb
  • To spread news of; to spread as rumor or gossip. 

  • To make a noise; to sound. 

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