| A | B |
|---|
| Accumulate | to increase in number or amount; to pile up, collect, or gather. |
| aggravate | to make worse; to anger or annoy |
| aggravation | annoyance; exasperation; a source of annoyance or exasperation |
| conserve | to save by using carefully |
| conservation | the saving or protection of something through careful use |
| contaminate | to harm by contact with something undesirable |
| contamination | the act of or result of contaminating |
| diminish | to make or become smaller or less; to reduce |
| drastic | severe; extreme |
| extravagant | spending, costing or using more than is required |
| extravagance | the quality of being wasteful or spending more than is necessary; a thing that cost more than one can afford |
| frugal | careful in spending or using something |
| impurity | something that is harmful or dirty |
| peril | danger; something that is dangerous |
| imperil | to place in danger |
| perilous | dangerous |
| perpetual | lasting or seeming to last forever or for a long time; continuous |
| resource | a supply that can be used when there is a need; skill in dealing with difficult situations |
| resourceful | able to deal with difficult problems |
| substitute | to replace one thing or person for another;something or someone that replaces another; acting in the place of something |
| sustain | to keep up; to support; to suffer; to undergo |
| vital | necessary for continued life or prosperity; full of lively spirit; of greatest importance. |
