first lieutenant vs premier

first lieutenant

noun
  • The second lowest rank of a commissioned officer in the United States Army, Air Force, or Marine Corps, ranking above a second lieutenant and below a captain. The rank of first lieutenant is equivalent to the naval rank of lieutenant junior grade. 

  • An equivalent rank in other military forces. 

premier

noun
  • The first lieutenant or other second-in-command officer of a ship. 

  • The champion team of a particular season (especially as used in Australian rules football). 

  • The government leader in a legislative congress or leader of a government-level administrative body; the head of government. 

  • The leader of a state or provincial government and cabinet. 

  • The prime minister. 

verb
  • To perform, display or exhibit for the first time. 

  • To govern in the role of premier. 

adj
  • Most ancient. 

  • Foremost; first or highest in quality or degree. 

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