lifeline vs restoration

lifeline

noun
  • A source of salvation in a crisis. 

  • A particular crease in the palm. 

  • A line from the diver to a tender at the surface control point. 

  • A line to which a drowning or falling victim may cling. 

  • A means or route for transporting indispensable supplies. 

  • System or structure of vital importance to a community. 

  • On the deck of a boat, a line to which one can attach oneself to stay aboard on rough seas. 

restoration

noun
  • The receiving of a sinner to divine favor. 

  • The process of bringing an object back to its original state; the process of restoring something. 

  • The return of a former monarchy or monarch to power, usually after having been forced to step down. 

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