cantillation vs chanting

cantillation

noun
  • Chanting. 

  • The intonation of a sentence, especially in Hebrew script, codified by marks which are read as sequences of musical pitches. 

chanting

noun
  • Singing, especially as a chant is sung. 

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