familial vs genetical

familial

adj
  • Inherited. 

  • Of or pertaining to a human family. 

  • Of or pertaining to any grouping of things referred to as a family. 

  • Pertaining to a taxon at the rank of family. 

genetical

adj
  • Relating to genesis or origin; genetic. 

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