| distress(noun, trouble, worry, concern, strain) |
| entanglement(noun, trouble, change, difficulty, question) |
| maze(noun, trouble, worry, difficulty, anxiety) |
| mystification(noun, trouble, concern, difficulty, anxiety) |
| paradox(noun, trouble, difficulty, pain, struggle) |
| question(noun, trouble, worry, difficulty, challenge) |
| stupefaction(noun, distress, anxiety, confusion, uncertainty) |
| befuddlement(noun, confusion, uncertainty, turmoil, muddle) |
| discombobulation(noun, confusion, uncertainty, muddle, awareness) |
| fog(noun, trouble, disorder, difficulty, confusion) |
| intricacy(noun, trouble, disorder, difficulty, confusion) |
| poser(noun, question, secret, puzzle, mystery) |
| riddle(noun, show, question, secret, puzzle) |
| stumper(noun, question, secret, puzzle, mystery) |
| uncertainty(noun, fix, concern, difficulty, anxiety) |
| bother(noun, verb, trouble, charge, worry) |
| complexity(noun, trouble, disorder, difficulty, confusion) |
| crux(noun, trouble, change, difficulty, pain) |
| distraction(noun, distress, anxiety, confusion, question) |
| fix(noun, trouble, difficulty, confusion, pain) |