Jinn- from the wiki article on jinn etymology: Another suggestion holds that jinn may be derived from Aramaic “ginnaya” (Classical Syriac: ܓܢܬܐ) with the meaning of “tutelary deity”,[11] or also “garden”. Tutelary means guardian or protector of a particular kind of people and place!
Justice
Jay-walking
Jaunts
Japanese food
Jean jackets
Justice for the most marginalized
Jiving
Jabberwock, jaws that bit, jujub bird adn the frumious bandersnatch