| A | B |
| abate | to subside; to reduce |
| ameliorate | to make feel better or more tolerable |
| assimilate | to take in; to absorb; to learn thoroghly |
| attrition | gradual wearing away, weakening, or loss; a natural or expected decrease in number size |
| augment | to mke bigger; to add to; to increase |
| burgeon | to expand; to flourish |
| Coalesce | to come together; to fuse; to unite |
| culminate | to climax; to reach full effect |
| degnerate | to break down; to deteriorate |
| desiccate | to dry out |
| dissipate | to thin out, to drift away, or dissolve; to cause to thin out, to drift away, or dissolve |
| efface | to erase; to rub away the features of |
| enervate | to reduve the strength or energy, especially to do so gradually |
| ephemeral | lasting a very short time |
| languish | to become weak, listless, or depressed |
| metamorphosis | a magical chage in form; a striking or sudden change |
| mitigate | to moderate the effect of something |
| proliferate | t spread or grow rapidly |
| Transient | not staying for a long time; temporary |
| vicissitude | upheaval; natural change; change in fortune |