reward vs tithing

reward

noun
  • A prize promised for a certain deed or catch 

  • Something of value given in return for an act. 

  • The result of an action, whether good or bad. 

verb
  • To give a reward to or for. 

  • To recompense. 

tithing

noun
  • The tithe given as an offering to the church. 

  • The payment of tithes. 

  • A part of the hundred as a rural division of territory. 

  • The collection of tithes. 

  • Ten sheaves of wheat (originally set up as such for the tithe-proctor). 

  • A body of households (originally a tenth of a hundred or ten households) bound by frankpledge to collective responsibility and punishment for each other's behavior. 

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