mismatch

noun
  1. A situation where two or more things do not correspond or fit well together. noun
    There was a mismatch between the skills required for the job and the skills of the applicants.
    The colors of the outfit were a mismatch, clashing rather than complementing each other.
  2. To pair or group things inappropriately or incorrectly. verb
    The coach mismatched the players, putting the tallest player in the position meant for the shortest.
    She mismatched the socks, wearing one blue and one red.