flaneur vs wanderer

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. 

wanderer

noun
  • One who wanders, who travels aimlessly. 

  • Any of various far-migrating nymphalid butterflies of the genus Danaus. 

  • The wandering albatross, Diomedea exulans. 

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