lifeline vs salvation

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. 

salvation

noun
  • The process of being saved, the state of having been saved (from hell). 

  • The process of being restored or made new for the purpose of becoming saved; the process of being rid of the old poor quality conditions and becoming improved. 

verb
  • To save, in the religious sense; to bring to salvation. 

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