reverberatory vs roaring

reverberatory

adj
  • Of, pertaining to, or employing reverberation or deflection 

noun
  • A reverberatory furnace. 

roaring

noun
  • An affection of the windpipe of a horse, causing a loud, peculiar noise in breathing under exertion. 

  • A loud, deep, prolonged sound, as of a large beast; a roar. 

adj
  • Intensive; extreme. 

  • Very successful; lively. 

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