Rangers also get
Ebony Bladed Sword that proc the same root as Wooly Spider Nets at lvl 25 and isn't Lore. Dirt cheap (like 25pp in EC) so it's not a bad pet weapon either.
The only other Warrior root proc I know of is the All/All
Herablist Spade that will be in game once Chardok 2.0 is released.