diplomatic vs federal

diplomatic

adj
  • Concerning the relationships between the governments of countries. 

  • 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 

  • 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. 

federal

adj
  • Pertaining to the national government level in a federal nation, as opposed to state, provincial, county, city, or town. 

  • Pertaining to a league or treaty; derived from an agreement or covenant between parties, especially between nations. 

noun
  • A law-enforcement official of the FBI 

  • A unionist soldier in the American Civil War. 

  • A supporter of federation. 

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