1. VILIFY   inherit   exaggerate   extol   improve   resurrect   Hint Hint       2. SECULAR   lucid   impious   clerical   servile   adverse   Hint       3. VENIAL   honest   unpardonable   antibiotic   arterial   posterior   Hint       4. TRANQUILLITY   transgression   commotion   rancidity   insomnia   congestion   Hint       5. TYRO   rigidity   agility   expert   alacrity   debutante   Hint       6. VANGUARD   defence   vantage   stern   stepney   rearguard   Hint       7. UNIMPEACHABLE   exemplary   blameworthy   boorish   essential   impious   Hint