manumission vs salvation

manumission

noun
  • Release from slavery or other legally sanctioned servitude; the giving of freedom; the act of manumitting. 

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 manumission and salvation occurred in a corpus of books? (source: Google Ngram Viewer )