| pollute(cut, hurt, thin, spoil, dirty) |
| rarefy(verb, thin) |
| tamper with(verb, expression, alter, adjust, modify) |
| temper(verb, decline, reduce, restrain, fail) |
| add to(verb, expression, alter, adjust, modify) |
| alleviate |
| alloy(cut, thin, spoil, corrupt, degrade) |
| amalgamate(cut, thin, spoil, corrupt, degrade) |
| baptise |
| baptize |
| bastardize |
| bate |
| blemish(hurt, damage, harm, dirty, corrupt) |
| blend(cut, thin, spoil, corrupt, degrade) |
| blight(hurt, damage, harm, dirty, corrupt) |
| brand(hurt, damage, harm, dirty, corrupt) |
| break(verb, restrain, curb, suppress, discipline) |
| break down(expression, hurt, damage, harm, dirty) |
| break in(verb, expression, restrain, curb, suppress) |
| break the spirit(verb, expression, idiom, restrain, curb) |