panning vs vociferance

panning

noun
  • The act by which a sound is panned. 

  • Material that has been panned. 

  • Thorough criticism. 

  • The act of one who pans, as for gold. 

vociferance

noun
  • Vociferation; clamour, noise. 

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