masked ball vs masque

masked ball

noun
  • A ball (formal dance) in which the dancers wear masks or fancy dress 

masque

noun
  • A dramatic performance, often performed at court as a royal entertainment, consisting of dancing, dialogue, pantomime and song. 

  • A masquerade. 

  • Words and music written for a masque. 

  • A facial mask. 

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