| barriers(noun, blocks, defenses, bars, jams) |
| bars(noun, verb, defends) |
| blocks(noun, verb, closes) |
| screens(noun, verb, defenses, defends) |
| answers(noun, verb, defenses, defends) |
| backfires(noun, verb, defenses, defends) |
| buffers(noun, verb, defenses, defends) |
| counterattacks(noun, verb, defenses, defends) |
| covers(noun, verb, defenses, defends) |
| guards(noun, verb, defenses, defends) |
| replies(noun, verb, defenses, defends) |
| retorts(noun, verb, defenses, defends) |
| returns(noun, verb, defenses, defends) |
| safeguards(noun, verb, defenses, defends) |
| secures(verb, defends, closes) |
| shelters(noun, verb, defenses, defends) |
| shields(noun, verb, defenses, defends) |
| supports(noun, verb, defenses, defends) |
| closes(verb, closes) |
| defenses(noun, blocks, defenses, bars, boundaries) |