| falsify(verb, ruin, thin, spoil) |
| impair(thin, spoil, restrict, corrupt) |
| infiltrate(thin, spoil, corrupt, enter) |
| intermix(thin, spoil, corrupt, degrade) |
| intrude(break, penetrate, interfere, stab) |
| irrigate(diminish, thin, alter, interfere) |
| load(verb, alter, corrupt, adjust) |
| make impure(expression, thin, spoil, corrupt) |
| mingle(thin, spoil, corrupt, degrade) |
| mix(reduce, thin, spoil, alter) |
| phony up(expression, thin, alter, interfere) |
| plant(verb, reduce, ruin, diminish) |
| shave(reduce, diminish, decrease, thin) |
| sophisticate(verb, alter, informal, corrupt) |
| thin(verb, reduce, spoil, weaken) |
| transfuse(thin, spoil, corrupt, degrade) |
| vitiate(thin, spoil, corrupt, degrade) |
| bore into(expression, stab, impale) |
| break(penetrate, stab, impale) |
| break in(expression, enter, stab, pierce) |