diplomatic vs introverted

diplomatic

adj
  • describing a publication of a text which follows a single basic manuscript, but with variants in other manuscripts noted in the critical apparatus 

  • Exhibiting diplomacy; exercising tact or courtesy; using discussion to avoid hard feelings, fights or arguments. 

  • Concerning the relationships between the governments of countries. 

  • Relating to diplomatics, or the study of old texts; paleographic. 

noun
  • The science of diplomas, or the art of deciphering ancient writings and determining their age, authenticity, etc.; paleography. 

introverted

adj
  • Arranged so that two similar words, lines, etc. form the middle of the structure. 

  • Of or characteristic of the personality of an introvert: thoughtful, reflective. 

  • Thinking about internal or spiritual matters. 

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