sputter vs white noise

sputter

noun
  • Confused and hasty speech. 

  • Moist matter thrown out in small detached particles. 

verb
  • To emit saliva or spit from the mouth in small, scattered portions, as in rapid speaking. 

  • To cause surface atoms or electrons of a solid to be ejected by bombarding it with heavy atoms or ions. 

  • To coat the surface of an object by sputtering. 

  • To speak so rapidly as to emit saliva; to utter words hastily and indistinctly, with a spluttering sound, as in rage. 

  • To throw out anything, as little jets of steam, with a noise like that made by one sputtering. 

white noise

noun
  • Speech that goes ignored or uncomprehended. 

  • Any nondescript noise used for background or to mask or drown out other noise. 

  • A random signal (or process) with a flat power spectral density; a signal with a power spectral density that has equal power in any band, at any centre frequency, having a given bandwidth. 

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