diplomatic vs friendly

diplomatic

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

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

  • 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. 

friendly

adj
  • Inviting, characteristic of friendliness. 

  • Generally warm, approachable and easy to relate with in character. 

  • Without any hostility. 

  • Of or pertaining to friendlies (friendly noun sense 2, below). Also applied to other bipolar confrontations, such as team sports. 

  • Compatible with, or not damaging to (the compounded noun). 

  • Promoting the good of any person; favourable; propitious. 

  • Being or relating to two or more natural numbers with a common abundancy. 

  • Having an easy or accepting relationship with something. 

noun
  • A person or entity on the same side in a conflict. 

  • A game which is of no consequence in terms of ranking, betting etc. 

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