maternal vs patriarchal

maternal

adj
  • Of or pertaining to a mother; having the characteristics of a mother; motherly. 

  • Derived from the mother as opposed to the foetus during pregnancy. 

  • Related through the mother, or her side of the family. 

noun
  • A person related through the mother, or her side of the family; a maternal relative. 

patriarchal

adj
  • Relating to a system run by males, rather than females; relating to a patriarchy. 

  • Characteristic of a patriarch; venerable. 

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