backpacker vs nomad

backpacker

noun
  • A traveler whose luggage consists of a backpack; especially, such a traveler who uses hostels, public transport, and other inexpensive services. 

  • A fan or performer of backpack rap. 

nomad

noun
  • Synonym of wanderer: an itinerant person. 

  • A player who changes teams frequently. 

  • A person who changes residence frequently. 

  • A member of a society or class who herd animals from pasture to pasture with no fixed home. 

adj
  • Synonym of nomadic. 

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