decime vs tithing

decime

noun
  • A 10-centime coin, minted up to 1999 and bearing the same value. 

  • A French coin minted from 1795 to 1801 and from 1814 to 1815, valued at one-tenth of a franc. 

tithing

noun
  • 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). 

  • The tithe given as an offering to the church. 

  • 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 decime and tithing occurred in a corpus of books? (source: Google Ngram Viewer )