| Herculean task(expression, trouble, concern, strain, weight) |
| accountability(trouble, concern, strain, weight, load) |
| affliction(trouble, concern, strain, weight, load) |
| albatross(trouble, concern, strain, weight, load) |
| anxiety(trouble, concern, strain, weight, load) |
| ball and chain(expression, idiom, trouble, concern, strain) |
| blame(trouble, concern, strain, weight, load) |
| burden(noun, stress, weight, load, cargo) |
| care(trouble, concern, strain, weight, load) |
| charge(trouble, concern, strain, weight, load) |
| clog(trouble, concern, strain, weight, load) |
| deadweight(trouble, concern, strain, weight, load) |
| difficulty(trouble, concern, strain, weight, load) |
| duty(trouble, concern, strain, weight, load) |
| encumbrance(trouble, concern, strain, weight, load) |
| excess baggage(expression, trouble, concern, strain, weight) |
| grievance(trouble, concern, strain, weight, load) |
| hardship(trouble, concern, strain, weight, load) |
| hindrance(trouble, concern, strain, weight, load) |
| load(trouble, concern, strain, weight, cargo) |