חמישים שערי בינה -46- The 50 Gates of Understanding

"The 2 rabanan holidays - Purim and Hanukkah - Hanukka correspond with - notzer hesed { נצר חסד } the 8 mida of mercy while Purim corresponds with Venake [ונקה] - the 15 mida of mercy. The 3 heads of the crown, the unknown, the ain [ nothing], and the internal correspond with the 3 crowns - Torah,kingdom, and priesthood "