11 letters · 18 points in Scrabble
adjective characteristic of a form of social organization in which the male is the family head and title is traced through the male line
adjective relating to or characteristic of a man who is older or higher in rank
originBorrowed from Late Latin patriarchālis, from patriarcha + -ālis. Sychronically analyzable as patriarch + -al.
Etymology from Wiktionary, CC BY-SA 3.0