Pollyanna vs dreamer

Pollyanna

noun
  • One who is persistently cheerful and optimistic, even when given cause not to be so. 

  • A secret Santa gift exchange. 

name
  • A female given name from Hebrew derived from Polly and Anna; rare in the real world. 

dreamer

noun
  • One who dreams. 

  • swallow-wing puffbird (Chelidoptera tenebrosa) 

  • Any anglerfish of the family Oneirodidae. 

  • Someone whose beliefs are far from realistic. 

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