From the oak associated runes Thurisaz, Ehwaz, Raido, Teiwaz, Jera, Dagaz.

YES - the most powerful wood. We Slavs oak associated with Perunov (there Perunova trees, fires at the temple of breed of oak branches), in ancient Greece oak was associated with Zeus, in ancient Rome - Jupiter. In Scandinavia, oak associated with the torus.

Oak was used in spells of protection, success, power.