| void(noun, break, crack, rest) |
| weaken(hurt, thin, degenerate, deteriorate) |
| amalgamate(thin, spoil, corrupt, degrade) |
| attenuate(thin, spoil, corrupt, degrade) |
| blend(thin, spoil, corrupt, degrade) |
| commingle(thin, spoil, corrupt, degrade) |
| dilute(thin, spoil, corrupt, degrade) |
| doctor(verb, hurt, ruin, thin) |
| doctor up(expression, thin, spoil, corrupt) |
| falsify(thin, spoil, corrupt, degrade) |
| infiltrate(thin, spoil, corrupt, degrade) |
| intermix(thin, spoil, corrupt, degrade) |
| interspace(noun, break, crack, rest) |
| irrigate(thin, spoil, corrupt, degrade) |
| lace(thin, spoil, corrupt, degrade) |
| make impure(verb, expression, idiom, ruin) |
| mingle(thin, spoil, corrupt, degrade) |
| mix(thin, spoil, corrupt, degrade) |
| phony up(expression, thin, spoil, corrupt) |
| plant(thin, spoil, corrupt, degrade) |