fairing vs tithing

fairing

noun
  • A type of small gingerbread biscuit; a ginger nut. 

  • A structure on various parts of a vehicle, for example an aircraft, automobile, or motorcycle, that produces a smooth exterior and reduces drag. 

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