intelligibility vs openness

intelligibility

noun
  • That which is intelligible; the degree to which something is intelligible. 

  • The quality of recorded speech of every word being understandable. 

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 intelligibility and openness occurred in a corpus of books? (source: Google Ngram Viewer )