explorer vs wanderer

explorer

noun
  • A person who by means of travel (notably an expedition) searches out new information. 

  • One who explores something 

  • A visual representation of a file system etc. through which the user can navigate. 

  • Any of various hand tools, with sharp points, used in dentistry. 

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 explorer and wanderer occurred in a corpus of books? (source: Google Ngram Viewer )