departer vs flaneur

departer

noun
  • One who departs. 

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. 

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