basso vs sonorous

basso

noun
  • The double bass, or contrabasso. 

  • A bass singer, especially in opera. 

  • An instrumental part written for a bass instrument. 

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 basso and sonorous occurred in a corpus of books? (source: Google Ngram Viewer )