Trotskyite vs laborist

Trotskyite

noun
  • An advocate of the communist doctrines of Leon Trotsky (born Lev Davidovich Bronstein). 

adj
  • Of, relating to, supporting, or advocating the doctrines of Leon Trotsky. 

laborist

noun
  • A supporter of workers' rights. 

  • A physician who aids labor and delivery but does not provide prenatal care. 

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