instillation vs mixing

instillation

noun
  • The act of instilling. 

  • That which is instilled. 

mixing

noun
  • The act, or the result of making a mixture. 

adj
  • Of a stochastic process, to be asymptotically independent (in a precise mathematical sense). 

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