| obstacle(noun, difficulty, obstruction, impediment, hitch) |
| obstruction(noun, trouble, concern, strain, difficulty) |
| onus(trouble, concern, strain, burden, responsibility) |
| partner |
| punishment(trouble, concern, strain, burden, weight) |
| reservation(control, check, limit, condition, restraint) |
| responsibility(trouble, concern, strain, burden, cross) |
| small difficulty(expression, control, check, limit, condition) |
| snag(noun, difficulty, obstacle, obstruction, impediment) |
| sorrow(trouble, concern, strain, weight, load) |
| spouse |
| stint(control, check, limit, condition, restraint) |
| stoppage(noun, difficulty, obstacle, obstruction, impediment) |
| strain(trouble, concern, burden, responsibility, weight) |
| stricture(control, check, limit, condition, restraint) |
| stumbling block(noun, expression, control, check, difficulty) |
| task(trouble, concern, strain, burden, responsibility) |
| tax(trouble, concern, strain, burden, weight) |
| trammel(noun, difficulty, obstacle, obstruction, impediment) |
| trial(trouble, concern, strain, burden, weight) |