clatter vs roop

clatter

verb
  • To make a rattling sound. 

  • To hit; to smack. 

  • To chatter noisily or rapidly. 

noun
  • A rattling noise; a repetition of abrupt, sharp sounds. 

  • A loud disturbance. 

  • Noisy talk or chatter. 

roop

verb
  • To roar; make a great noise. 

  • To make hoarse. 

  • To cry; shout. 

noun
  • Hoarseness. 

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