isolated vs retracted

isolated

adj
  • Placed or standing apart or alone; in isolation. 

  • Affecting 10 percent to 20 percent of a forecast zone. 

  • Happening or occurring only once. 

  • Such that no pawn of the same color is in an adjacent file. 

  • Which has been extracted from the organism. 

retracted

adj
  • Withdrawn back and in, as the claws of a cat. 

  • Pronounced further back in the vocal tract. 

  • Couped by a line diagonal to the main direction. 

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