analogous vs heterologous

analogous

adj
  • Having analogy; corresponding to something else; bearing some resemblance or proportion (often followed by "to".) 

  • Functionally similar, but arising through convergent evolution rather than being homologous. 

heterologous

adj
  • Of, or relating to different species 

  • Having different relationships or different elements 

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