| barrier(noun, help, open, disorder, block) |
| bar(noun, verb, stop, control, close) |
| wall(noun, verb, close, help, end) |
| block(noun, verb, control, close, help) |
| obstruct(verb, stop, control, close, check) |
| obstruction(noun, trouble, help, open, disorder) |
| blockade(noun, verb, stop, control, close) |
| stop(noun, verb, close, help, end) |
| obstacle(noun, trouble, help, open, disorder) |
| close(noun, verb, stop, control, close) |
| hamper(noun, verb, help, check, open) |
| clog(noun, verb, stop, control, close) |
| dam(verb, stop, control, close, secure) |
| hinder(verb, stop, control, close, check) |
| hindrance(noun, trouble, help, end, open) |
| impede(verb, stop, control, close, check) |
| impediment(noun, help, open, disorder, block) |
| occlude(verb, stop, close, check, halt) |
| shut off(verb, expression, phrasal verb, stop, close) |
| choke(verb, stop, control, close, check) |