lineal vs tribal

lineal

adj
  • Having an ancestral relationship to mothers, fathers, grandparents, (etc.) and having a descendant relationship to sons, daughters, grandchildren (etc.), exclusive of collateral siblings. 

  • Composed of lines; delineated. 

  • Inheriting by direct descent; having the right by direct descent to succeed (to). 

  • In the direction of a line; of a line; of or relating to a line; measured on, or ascertained by, a line; linear. 

tribal

adj
  • Of or relating to tribes. 

  • Based on or organized according to tribes. 

noun
  • A member of a tribe. 

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

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