| tunnel(noun, verb, break, cut, crack) |
| unblock(verb, clear, separate, release, free) |
| unclose(verb, clear, separate, release, free) |
| unclothe(verb, clear, separate, release, free) |
| uncork(verb, clear, separate, open, release) |
| uncover(verb, clear, separate, release, free) |
| unfold(verb, clear, separate, release, free) |
| unfurl(verb, clear, separate, release, free) |
| unroll(verb, clear, separate, release, free) |
| unseal(verb, clear, separate, release, free) |
| unshut(verb, clear, separate, release, free) |
| unstop(verb, clear, separate, release, free) |
| unwrap(verb, clear, separate, release, free) |
| vent(noun, verb, clear, separate, release) |
| ventilate(verb, clear, separate, release, free) |
| yawn(verb, clear, separate, release, free) |
| yawp(verb, clear, separate, release, free) |
| abrade |
| abrasion |
| abuse(verb, trouble, damage, harm, injure) |