flaneur vs roamer

flaneur

noun
  • One who wanders aimlessly, who roams, who travels at a lounging pace. 

  • An idler, a loafer. 

verb
  • To wander aimlessly or at a lounging pace. 

roamer

noun
  • One who roams. 

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