| doctor up(expression, thin, spoil, corrupt) |
| falsify(thin, spoil, corrupt, degrade) |
| impair(thin, spoil, corrupt, degrade) |
| intermix(verb, thin, corrupt, mix) |
| irrigate(thin, spoil, corrupt, degrade) |
| lace(thin, spoil, corrupt, degrade) |
| make impure(expression, thin, spoil, corrupt) |
| mingle(verb, ruin, join, thin) |
| phony up(expression, thin, spoil, corrupt) |
| plant(thin, spoil, corrupt, degrade) |
| pollute(thin, spoil, corrupt, degrade) |
| shave(thin, spoil, corrupt, degrade) |
| spike(thin, spoil, corrupt, degrade) |
| taint(thin, spoil, corrupt, degrade) |
| thin(spoil, corrupt, degrade, taint) |
| vitiate(thin, spoil, corrupt, degrade) |
| water down(expression, thin, spoil, corrupt) |
| weaken(thin, spoil, corrupt, degrade) |
| contaminate(thin, spoil, corrupt, degrade) |