field marshal vs reeve

field marshal

noun
  • In certain nations the highest military rank, ranking below only the commander in chief; now essentially disused. 

reeve

noun
  • The holder of a proposed but unadopted commissioned rank of the Royal Air Force, equivalent to wing commander. 

  • The president of a township or municipal district council. 

  • Any of several local officials, with varying responsibilities. 

  • A female of the species Philomachus pugnax, a highly gregarious, medium-sized wading bird of Eurasia; the male is a ruff. 

verb
  • To pass (a rope) through a hole or opening, especially so as to fasten it. 

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