accompanist vs chanter

accompanist

noun
  • The performer in music who takes the accompanying part. 

chanter

noun
  • The pipe of a bagpipe on which the melody is played. 

  • One who chants or sings. 

  • A priest who sings in a chantry. 

  • The hedge sparrow. 

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