| recrudescence(back, return, slow, backward, reverse direction) |
| reentry(back, return, slow, backward, reverse direction) |
| regress(back, return, slow, backward, reverse direction) |
| renewal(back, return, slow, backward, reverse direction) |
| retroaction(back, return, slow, backward, reverse direction) |
| retroflexion(back, return, slow, backward, reverse direction) |
| retrusion(back, return, slow, backward, reverse direction) |
| return(back, slow, backward, reverse direction, recurrence) |
| reversion(back, return, slow, backward, reverse direction) |
| root |
| sinking(noun, drop, fall, down, ebb) |
| slide(noun, drop, decline, increase, fall) |
| stem(origin, paternity) |
| abasement(noun, drop, decline, decrease, deterioration) |
| assault(noun, attack) |
| blood line(noun, expression, idiom) |
| crash(noun, drop, decline, fall, blow) |
| diminution(noun, drop, fall, decrease, failure) |
| dive(noun, drop, decline, increase, fall) |
| downhill |