| aggravation(noun, health, trouble, regress) |
| attenuation(noun, process, setback, regress) |
| change for the worse(expression, regress, degeneration, throwback) |
| degeneracy(noun, fail, setback, regress) |
| devolution(noun, fail, setback, regress) |
| diminution(noun, process, setback, regress) |
| dystrophy(noun, fail, setback, regress) |
| regression of process(expression, return, setback, throwback) |
| retrogression(noun, fail, setback, regress) |
| state of disrepair(expression, condition, setback, regress) |
| come-down(noun, failure, setback, regress) |
| down(noun, failure, setback, regress) |
| ailment |
| decadence(noun, failure, setback, regress) |
| deformation(noun, failure, setback, regress) |
| letdown(noun, failure, setback, regress) |
| squalor(noun, condition, setback, regress) |
| disuse(noun, condition, setback, regress) |
| disease |
| annulment(noun, move, refusal, abolition) |