Dennison rhymes with:
denison, bennison, denison, jenison, jennison, kenison, kennison, renison, tennison, tennyson
Dennison sounds like:
damson, dancin', danskin, danson, denison, denizen, denshin, denson, dimension, dingham, dingman, dionysian, domeniconi, dominican, dominicana, donegan, dongen, dongmei, donigan, dunagan, duncan, dunegan, dungan, dungeon, dunigan, dunkin, dunkin', dunnagan, dunnigan, dunson, dyansen, dynamism, dynascan