Who Were the Anakim and the Rephaim? #198 #Giants #Nephilim #BibleMysteries

The Anakim and Rephaim are two mysterious foes of the Israelites mentioned in several books of the Old Testament. They were apparently extremely tall (possibly giants) and were also very fierce. Who were these strange people, and what association do they have with Goliath of Gath and the Nephilim?