1. scarcity   OBLIVION   PAUCITY   PITFALL   PROXIMITY   Hint Half-n-half Clue   2. occurrence or fact   PHENOMENON   PREDATOR   PROFUSION   ORATOR   Half-n-half Clue   3. bitterness   PROXIMITY   OPPORTUNIST   RANCOR   PACIFIST   Half-n-half Clue   4. preference   PENURY   OPTIMIST   OSTENTATION   PREDILECTION   Half-n-half Clue   5. plenitude   OBLIVION   REBUTTAL   QUANDARY   PROFUSION   Half-n-half Clue   6. travesty   PROFUSION   PREDILECTION   PHENOMENON   PARODY   Half-n-half Clue   7. rapid multiplication   PHILANTHROPIST   PHENOMENON   PARIAH   PROLIFERATION   Half-n-half Clue