| distress(noun, trouble, defeat, worry, concern) |
| entanglement(noun, complication, multiplicity, complicacy) |
| facer(noun, trouble, challenge, question) |
| hardship(noun, trouble, difficulty, distress, bar) |
| intricacy(noun, difficulty, challenge, question, puzzle) |
| mind-boggler(noun, challenge, doubt, question, secret) |
| plight(noun, fix, difficulty, burden, question) |
| point at issue(noun, expression, idiom, point, difficulty) |
| rebus(noun, difficulty, question, secret, puzzle) |
| uncertainty(noun, concern, difficulty, anxiety, issue) |
| botheration(noun, trouble, strain, difficulty, care) |
| illustration(noun, challenge, question, situation, puzzle) |
| motif(noun, point, line, issue, material) |
| teaser(noun, difficulty, challenge, question, secret) |
| ado(trouble, strain, difficulty, aggravation, inconvenience) |
| bad news(noun, expression, trouble, worry, concern) |
| bafflement(noun, complication, multiplicity, complicacy) |
| basis(noun, topic) |
| bone of contention(noun, expression, idiom, difference, inquiry) |
| chapter |