| recession(drop, decline, fall, back, return) |
| recidivism(noun, decline, back, slow, lapse) |
| reflux(drop, back, decrease, slow, retreat) |
| retrocession(drop, back, decrease, slow, retreat) |
| breakdown(noun, end, decline, ruin, defeat) |
| checkmate(noun, decline, ruin, defeat, back) |
| corrosion(noun, drop, decline, collapse, decay) |
| decaying(noun, decline, collapse, decay, degeneration) |
| depravation(noun, decay) |
| disrepair(noun, drop, decline, collapse, extinction) |
| downgrade(noun, drop, decline, fall, collapse) |
| ebbing(noun, drop, fall, decrease, failure) |
| erosion(noun, wear, disintegration, friction, abrasion) |
| falling back(verb, phrasal verb, back, slow, backward) |
| frustration(noun, decline, ruin, defeat, back) |
| putrefaction(noun, decline, collapse, condition, better) |
| recidivation(noun, back, slow, lapse, backward) |
| refluence(drop, back, decrease, slow, retreat) |
| regress(back, slow, backward, reverse direction) |
| renewal(back, slow, backward, reverse direction) |