genetic vs genetical

genetic

adj
  • Of or relating to origin (genesis). 

  • Based on shared membership in a linguistic family. 

  • Caused by genes. 

  • Based on a shared membership in a religious family. 

  • Relating to genetics or genes. 

genetical

adj
  • Relating to genesis or origin; genetic. 

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