Wodehousian vs oddballish

Wodehousian

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

oddballish

adj
  • quirky; eccentric 

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