| scoop(noun, depression, impression, dip, hollow) |
| settlement(noun, drop, decline, fall, plunge) |
| sinkhole(noun, drop, decline, fall, depression) |
| slant(noun, drop, decline, fall, collapse) |
| slide(noun, drop, fall, plunge, dive) |
| slip(noun, drop, decline, fall, plunge) |
| slope(noun, drop, decline, fall, collapse) |
| submergence |
| submersion |
| swag |
| swoop(noun, drop, decline, fall, plunge) |
| tailspin(noun, drop, decline, fall, collapse) |
| topple(noun, drop, decline, fall, plunge) |
| tub(noun, dish, sink, pot, bowl) |
| tumble(noun, drop, decline, fall, plunge) |
| valley(noun, depression, dish, impression, sink) |
| vessel(noun, dish, sink, pot, bowl) |
| watershed(noun, dish, sink, pot, bowl) |
| bangle(stoop, tailspin) |
| belt-tightening |