| degeneracy(decline, ruin, collapse, failing, deterioration) |
| degeneration(decline, ruin, collapse, failing, deterioration) |
| depreciation(decline, ruin, collapse, failing, deterioration) |
| deterioration(decline, collapse, impairment, degeneration, putridity) |
| dilapidation(decline, ruin, collapse, failing, deterioration) |
| disintegration(decline, collapse, deterioration, impairment, degeneration) |
| disrepair(decline, ruin, collapse, failing, deterioration) |
| dissolution(decline, ruin, collapse, failing, deterioration) |
| downfall(decline, ruin, collapse, failing, deterioration) |
| dying(decline, ruin, collapse, failing, deterioration) |
| extinction(decline, ruin, collapse, failing, deterioration) |
| fading(decline, ruin, collapse, failing, deterioration) |
| failing(decline, ruin, collapse, deterioration, impairment) |
| gangrene(noun, decline, collapse, deterioration, decay) |
| impairment(decline, collapse, deterioration, degeneration) |
| mortification(decline, ruin, collapse, failing, deterioration) |
| perishing(decline, ruin, collapse, failing, deterioration) |
| putrefaction(noun, decline, collapse, deterioration, decay) |
| putrescence(noun, decline, collapse, deterioration, decay) |
| putridity(noun, decline, collapse, deterioration, decay) |