adulterates aids assists continues corrupts helps keeps pollutes remains contaminates laces dilutes taints weakens defiles cuts thins spoils doctors spikes fouls vitiates extends sullies mixes sophisticates soils dopes degrades stains abets supports attenuates backs muddies facilitates smudges blackens boosts eases ruins promotes encourages smears forwards devalues tarnishes relieves cooperates alloys serves obliges spatters daubs succors succours spots smirches precipitates depreciates benefits marks accommodates deteriorates befouls besmirches furthers seconds fosters splatters grimes bespatters clouds accelerates expedites attends advances splashes