| A | B |
| annihilate | to destroy completely |
| contaminate | to make unpure or unclean |
| corrode | to dissolve or gradually destroy metal; to cause to deteroriate gradually |
| curtail | to cut short or reduce |
| deplete | to use up or to empty out |
| deteriorate | to make or become worse; to weaken, decay, or diminish |
| extinct | no longer existing or living |
| negate | to make ineffective or invalid; to reverse |
| rancid | smelling or tasting like spoiled oils or fats |
| squander | to waste; to spend foolishly or uselessly |