ballerina vs terpsichorean

ballerina

noun
  • A male ballet dancer; Synonym of ballerino 

  • A ballet flat shoe. 

  • A female ballet dancer. 

terpsichorean

noun
  • A person who dances, especially professionally. 

adj
  • Of or relating to dancing. 

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