| qualm(noun, trouble, concern, anxiety, confusion) |
| query(noun, trouble, concern, anxiety, confusion) |
| question mark |
| questionableness(noun, trouble, concern, anxiety, confusion) |
| rebus(question, secret, puzzle, obscurity, subtlety) |
| reserve(noun, trouble, concern, anxiety, confusion) |
| rune(question, secret, puzzle, obscurity, subtlety) |
| scrape |
| scruple(noun, trouble, concern, anxiety, confusion) |
| secrecy(question, secret, puzzle, obscurity, subtlety) |
| sixty-four-thousand-dollar question(expression, question, secret, puzzle, obscurity) |
| skepticism(noun, trouble, concern, anxiety, confusion) |
| sphinx(question, secret, puzzle, obscurity, knot) |
| sticker |
| stirring up(noun, expression, confusion, uncertainty, turmoil) |
| stupor(noun, confusion, uncertainty, awareness, perplexity) |
| subtlety(question, secret, puzzle, obscurity, mystery) |
| suspicion(noun, trouble, concern, anxiety, confusion) |
| tangling(noun, confusion, uncertainty, turmoil, embarrassment) |
| thriller(question, secret, puzzle, obscurity, subtlety) |