avoider vs skulker

avoider

noun
  • One who avoids, shuns, or escapes. 

  • One who carries anything away, or the vessel in which things are carried away. 

skulker

noun
  • One who avoids an obligation or responsibility. 

  • One who moves in a stealthy or furtive way; one who comes or goes while trying to avoid detection. 

  • One who stays where they cannot be seen (often in a cowardly way or with the intent of doing harm). 

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