| A | B |
|---|
| accumulate | To increase in number or amount; to pile up, collect, or gather. |
| aggravate | To make worse. |
| aggravate | To anger or annoy. |
| aggravation | Annoyance; exasperation. |
| aggravation | 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. |
| extravagance | A thing that costs 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. |
| resource | Skill in dealing with difficult situations. |
| resourceful | Able to deal with difficult problems. |
| substitute | To replace one thing or person for another. |
| substitute | Something or someone that replaces another. |
