Untwine :: Untwine (v. t.) To untwist; to separate, as that which is twined or twisted; to disentangle; to untie..
Untwist :: Untwist (v. t.) To separate and open, as twisted threads; to turn back, as that which is twisted; to untwine..
Untwist :: Untwist (v. t.) To untie; to open; to disentangle.