inflexibility vs openness

inflexibility

noun
  • The quality or state of being inflexible, or not capable of being bent or changed; unyielding stiffness 

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. 

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