heterologous vs homogeneous

heterologous

adj
  • Of, or relating to different species 

  • Having different relationships or different elements 

homogeneous

adj
  • Of which the properties of a smaller set apply to the whole; scalable. 

  • Having the same composition throughout; of uniform make-up. 

  • Of the same kind; alike, similar. 

  • In the same state of matter. 

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