| damnum | condemn, condemnation, damage, damn, damnable, damnation, indemnify, indemnity |
| debeo | debit, debt, debtor, devoir, due, duly, duteous, dutiable, dutiful, duty, endeavor, indebted, indebtedness, overdue, undue, unduly |
| debilis | debilitate, debility |
| decem | decimal, decimate, dicker, dime, dozen |
| decet | decency, decent, decently, decorate, decoration, decorative, decorator, decorous, indecent, indecorous |
| declino | declension, declination, decline; see also inclino and reclino |
| defendo | defend, defendant, defender, defense, defenseless, defensible, defensive, fence, fender, self-defense, undefended, unfenced; see also offendo |
