specialist vs veteran

specialist

noun
  • Any of several non-commissioned ranks corresponding to that of corporal. 

  • A stenotopic species. 

  • A physician whose practice is limited to a particular branch of medicine or surgery. 

  • Someone who is an expert in, or devoted to, some specific branch of study or research. 

  • An organism that is specialized for a particular environment. 

adj
  • Specialised, involving detailed knowledge of a restricted topic. 

veteran

noun
  • A person who has served in the armed forces, especially an old soldier who has seen long service; also called a war veteran to distinguish from veterans who weren't in armed conflict. 

  • A person with long experience of a particular activity. 

  • A group, animal, etc. with long experience of a particular activity. 

adj
  • Having had long experience, practice, or service. 

  • Of or relating to former members of the military armed forces, especially those who served during wartime. 

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