nomad vs rollator

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. 

rollator

noun
  • A walking frame equipped with wheels, especially one designed for the disabled or elderly. 

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