10 letters · 12 points in Scrabble
noun act of exchanging favors for mutual gain; especially trading of influence or votes among legislators to gain passage of certain projects
noun rotating a log rapidly in the water (as a competitive sport)
verb work toward the passage of some legislation by exchanging political favors such as trading votes
originFrom log + rolling, the figurative senses from the practice of neighbors helping each other do heavy work such as rolling logs in connection with clearing land and building.
Etymology from Wiktionary, CC BY-SA 3.0