Board Thread:Lore Discussion/@comment-46.208.244.194-20131228112337/@comment-24241449-20131228152744

The Greybeards have had years and years of meditation to master their shouts and the Dragonborn mave have a soul of a dragon that doesn't make him better and shouts.

Since he is the only one able to absorbs souls besides Miraak that enhances his power an such.