Dunnagan rhymes with:
branagan, hannagan, lanagan, branagan, hannagan, lanagan, branagan, burgan, colligan, costigan, donegan, dunegan, dunigan, finegan, hannagan, hourigan, jarnigan, jernigan, lanagan
Dunnagan sounds like:
damson, dancin', danskin, danson, denison, denizen, dennison, denshin, denson, dimension, dingham, dingman, dionysian, domeniconi, dominican, dominicana, donegan, dongen, dongmei, donigan, dunagan, duncan, dunegan, dungan, dungeon, dunigan, dunkin, dunkin', dunnigan, dunson, dyansen, dynamism, dynascan