first lieutenant vs subordinate

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. 

subordinate

noun
  • One who is subordinate. 

adj
  • Descending in a regular series. 

  • Placed in a lower class, rank, or position. 

  • dependent on and either modifying or complementing the main clause 

  • Submissive or inferior to, or controlled by authority. 

verb
  • To make subservient. 

  • To treat as of less value or importance. 

  • To make of lower priority in order of payment in bankruptcy. 

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