clamorous vs surd

clamorous

adj
  • Creating a loud noise. 

  • Of great intensity. 

  • Expressed loudly. 

  • Filled with or accompanied by a great deal of noise. 

  • Insistently expressing a desire for something. 

  • Having especially (and often unpleasantly) bright or contrasting colours or patterns. 

surd

adj
  • unvoiced; voiceless 

  • Involving surds, or irrational numbers; not capable of being expressed in rational numbers. 

noun
  • An irrational number, especially one expressed using the √ symbol. 

  • A voiceless consonant. 

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