predisposition vs weakness

predisposition

noun
  • The state of being predisposed or susceptible to something, especially to a behavior or a health condition. 

weakness

noun
  • The condition of being weak. 

  • An inadequate quality; fault 

  • A special fondness or desire. 

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