Kongsberg rhymes with:
ainsberg, augsburg, cannonsburg, carlsberg, duesberg, ellsberg, ellsburg, gaithersburg, galesburg, gettysburg, ginsburg, ginzberg, greensburg, herzberg, holidaysburg, jewelsburg, kanegsberg, kaysersberg, koenigsberg, kosberg, kozberg, landsberg, leesburg, parkersburg, petersburg, ransburg, regensburg, romesburg, salzberg, salzburg, st_petersburg, twinsburg, wensberg, williamsburg, williamsburgh
Kongsberg sounds like:
kanegsberg, kingsborough, koenigsberg, kongsberg's