gurgle vs roop

gurgle

verb
  • To make such a sound. 

  • To flow with a bubbling sound. 

noun
  • A gurgling sound. 

roop

verb
  • To roar; make a great noise. 

  • To make hoarse. 

  • To cry; shout. 

noun
  • Hoarseness. 

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