openness vs surety

openness

noun
  • Lack of secrecy; candour, transparency. 

  • The degree to which a system operates with distinct boundaries across which exchange occurs capable of inducing change in the system while maintaining the boundaries themselves. 

  • Accommodating attitude or opinion, as in receptivity to new ideas, behaviors, cultures, peoples, environments, experiences, etc., different from the familiar, conventional, traditional, or one's own. 

  • The degree to which a person, group, organization, institution, or society exhibits this liberal attitude or opinion. 

  • degree of accessibility to view, use, and modify in a shared environment with legal rights generally held in common and preventing proprietary restrictions on the right of others to continue viewing, using, modifying and sharing. 

surety

noun
  • That which makes sure; that which confirms; ground of confidence or security. 

  • A promise to pay a sum of money in the event that another person fails to fulfill an obligation. 

  • One who undertakes to pay money or perform other acts in the event that his principal fails therein. 

  • A substitute; a hostage. 

  • Evidence; confirmation; warrant. 

  • Certainty. 

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