Wodehousian vs crackpot

Wodehousian

adj
  • Of or pertaining to P. G. Wodehouse (1881–1975), English writer and humorist known for his eccentric half-witted characters. 

crackpot

adj
  • Eccentric or impractical. 

noun
  • An eccentric, crazy or foolish person. 

  • Someone addicted to crack cocaine (i.e. a drug addict). 

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