baritone vs sonorous

baritone

noun
  • a brass instrument similar to the euphonium, but with a cylindrical bore instead of a conical one; a baritone saxhorn 

  • The musical range between tenor and bass 

  • The male voice between tenor and bass 

  • A person, instrument, or group that performs in the range between tenor and bass 

sonorous

adj
  • Capable of giving out a deep, resonant sound. 

  • Full of sound and rich, as in language or verse. 

  • Wordy or grandiloquent. 

  • Produced with a relatively open vocal tract and relatively little obstruction of airflow. 

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