| debris(noun, wreck, shell, remains, wreckage) |
| declension |
| declivity(noun, drop, fall, deterioration, falloff) |
| decrease(noun, drop, fall, deterioration, falloff) |
| defeat(noun, collapse, extinction, destruction, wreck) |
| deflation(recession, overproduction) |
| demise |
| demolition(noun, collapse, extinction, destruction, wreck) |
| depression(noun, drop, decline, fall, low) |
| destitution(noun, collapse, extinction, destruction, wreck) |
| destruction(noun, ruin, fall, collapse, failure) |
| dilapidation(noun, collapse, extinction, destruction, wreck) |
| dip(noun, drop, decline, fall, low) |
| disgrace |
| disintegration(noun, collapse, extinction, destruction, wreck) |
| disrepair(noun, collapse, extinction, destruction, wreck) |
| downslide(noun, drop, decline, fall, low) |
| downswing(noun, drop, decline, fall, low) |
| downtrend(noun, drop, decline, fall, low) |
| drags |