1. hatred   DOCTRINE   DISPARITY   ENERVATION   ENMITY   Hint Half-n-half Clue   2. unwillingness   DUPLICITY   EXCERPT   EULOGY   DISINCLINATION   Half-n-half Clue   3. hard work   FANATICISM   ELEGY   DILIGENCE   FERVOR   Half-n-half Clue   4. great difference   DUPE   DISPARITY   ELOQUENCE   DIGRESSION   Half-n-half Clue   5. decrease   ENERVATION   DUPLICITY   ELABORATION   DIMINUTION   Half-n-half Clue   6. difference   DURATION   DISCREPANCY   ELOQUENCE   DETERRENT   Half-n-half Clue   7. disappearance   ENERVATION   EVANESCENCE   EULOGY   DISCREPANCY   Half-n-half Clue