| life form(back, slow, backward, reverse direction) |
| living thing(back, slow, backward, reverse direction) |
| margin |
| mistake(back, slow, backward, reverse direction) |
| organism(back, slow, backward, reverse direction) |
| oversight(back, slow, backward, reverse direction) |
| overstock(noun, spare, extra, excess, surplus) |
| oversupply(noun, waste, spare, extra, excess) |
| part |
| reaction(back, slow, backward, reverse direction) |
| recession(back, slow, backward, reverse direction) |
| recidivation(back, slow, backward, reverse direction) |
| recidivism(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) |
| regress(back, slow, backward, reverse direction) |
| regression(back, slow, backward, reverse direction) |