| discouragements(back, slow, backward, reverse direction) |
| down(back, slow, backward, reverse direction) |
| error(back, slow, backward, reverse direction) |
| falling back(back, slow, backward, reverse direction) |
| fault(back, slow, backward, reverse direction) |
| frustration(back, slow, backward, reverse direction) |
| frustrations(back, slow, backward, reverse direction) |
| life form(back, slow, backward, reverse direction) |
| living thing(back, slow, backward, reverse direction) |
| mistake(back, slow, backward, reverse direction) |
| organism(back, slow, backward, reverse direction) |
| reaction(back, slow, backward, reverse direction) |
| recession(back, slow, backward, reverse direction) |
| recessive |
| recidivation(back, slow, backward, reverse direction) |
| recrudescence(back, slow, backward, reverse direction) |
| recurrence(back, slow, backward, reverse direction) |
| reentry(back, slow, backward, reverse direction) |
| refluence(back, slow, backward, reverse direction) |
| reflux(back, slow, backward, reverse direction) |