forced march vs traipse

forced march

noun
  • A movement on foot by soldiers or prisoners of war, who must, in order to satisfy a military requirement, travel at a speed or in adverse conditions that would normally tire them excessively. 

traipse

noun
  • A long or tiring walk. 

  • A meandering walk. 

verb
  • To travel with purpose; usually a significant or tedious amount. 

  • To walk (a distance or journey) wearily or with effort 

  • To walk about, especially when expending much effort, or unnecessary effort. 

  • to walk about or over (a place) aimlessly or insouciantly. 

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