hereditary vs tribal

hereditary

noun
  • A hereditary ruler; a hereditary peer in the House of Lords. 

adj
  • Of a ring: such that all submodules of projective modules over the ring are also projective. 

  • Of a title, honor or right: legally granted to somebody's descendant after that person's death. 

  • Passed on as an inheritance, by last will or intestate. 

  • Of a disease or trait: passed from a parent to offspring in the genes. 

  • Of a person: holding a legally hereditary title or rank. 

tribal

noun
  • A member of a tribe. 

  • A design or image that has been influenced by indigenous peoples; especially such a tattoo. 

adj
  • Of or relating to tribes. 

  • Based on or organized according to tribes. 

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