| uncover | defrost | uncomfortable | discourage | disadvantage |
| unfortunate | unfamiliar | disability | discomfort | deodorant |
| unemployed | deflate | disbelief | unpredictable | disapprove |
| disappoint | unpleasant | dehydrated | disqualify | undecided |
| unnecessary | disobedient | dehumidifier | disinfectant | disenchanted |