decimate vs tithing

decimate

verb
  • To replace a high-resolution model with another of lower but acceptable quality. 

  • To reduce to one-tenth: to destroy or remove nine-tenths of anything. 

  • To devastate: to reduce or destroy significantly but not completely. 

  • To destroy or remove one-tenth of anything. 

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