conscript vs soldier of fortune

conscript

verb
  • To enrol(l) compulsorily; to draft; to induct. 

noun
  • A constructed script or writing system, especially for use with a conlang. 

  • One who is compulsorily enrolled, often into a military service; a draftee. 

adj
  • Drafted into a military service or similar. 

  • Enrolled; written; registered. 

soldier of fortune

noun
  • A person willing to work for or ally himself with any person or institution who will take him on. 

  • A non-commissioned soldier willing to serve any state or person who will hire him. 

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