| engulf(verb, drop, decline, drive, settle) |
| gradient(noun, drop, fall, point, collapse) |
| hill(noun, drop, fall, position, decrease) |
| indentation(noun, depression, impression, impress, hollow) |
| lean(noun, verb, move, drop, decline) |
| nosedive(noun, verb, fall, decrease, depression) |
| ramp(noun, slant, slope) |
| recession(noun, drop, cut, decline, fall) |
| rinse(noun, verb, lower, clean, put) |
| sinkage(noun, drop, decline, fall, depression) |
| sinkhole(noun, drop, decline, fall, depression) |
| skew(verb, drop, decline, turn, lower) |
| slide(noun, verb, drop, decline, settle) |
| sop(verb, sink, absorb, wet, flood) |
| spiral(verb, lower, descend) |
| splash(verb, lower, clean, water, put) |
| swim(noun, wet, submersion) |
| bob(noun, verb, move, depression, bend) |
| bow(noun, verb, move, drop, decline) |
| bowl(noun, depression, dish, impression, sink) |