| backsliding(decline, back, return, slow, backward) |
| atavist(back, return, slow, backward, reverse direction) |
| backward motion(back, return, slow, backward, reverse direction) |
| backward step(back, return, slow, backward, reverse direction) |
| check(back, return, slow, backward, reverse direction) |
| comedown(back, return, slow, backward, reverse direction) |
| down(back, return, slow, backward, reverse direction) |
| frequency(noun, return, occurrence, happening, regularity) |
| reaction(back, return, slow, backward, reverse direction) |
| reentry(back, return, slow, backward, reverse direction) |
| refluence(back, return, slow, backward, reverse direction) |
| reflux(back, return, slow, backward, reverse direction) |
| retroaction(back, return, slow, backward, reverse direction) |
| retrocession(back, return, slow, backward, reverse direction) |
| retrogradation(back, return, slow, backward, reverse direction) |
| retrusion(back, return, slow, backward, reverse direction) |
| reverse of fortune(back, return, slow, backward, reverse direction) |
| severe check(back, return, slow, backward, reverse direction) |
| sternway(back, return, slow, backward, reverse direction) |
| reiteration(noun, repeat, occurrence, repetition, regularity) |