peripatetic vs social butterfly

peripatetic

noun
  • One who walks about; a pedestrian; an itinerant. 

adj
  • Constantly travelling. 

  • Tending to walk about. 

social butterfly

noun
  • A gregarious person who likes to attend parties and other social gatherings; a people person. 

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