| contradiction(noun, question, problem, puzzle, riddle) |
| enigma(noun, verb, question, problem, puzzle) |
| contradiction in terms(noun, expression, question, problem, puzzle) |
| logic(noun, question, problem, puzzle, riddle) |
| puzzle(noun, question, problem, riddle) |
| conflict(noun, question, problem, puzzle, riddle) |
| confutation(noun, question, problem, puzzle, riddle) |
| contrariety(noun, question, problem, puzzle, riddle) |
| contravention(noun, question, problem, puzzle, riddle) |
| event(noun, question, problem, puzzle, riddle) |
| incongruity(noun, question, problem, puzzle, riddle) |
| inconsistency(noun, question, problem, puzzle, riddle) |
| medicine(noun, question, problem, puzzle, riddle) |
| philosophy(noun, question, problem, puzzle, riddle) |
| problem(noun, question, puzzle, riddle) |
| saying(noun, question, problem, puzzle, riddle) |
| situation(noun, question, problem, puzzle, riddle) |
| statement(noun, question, problem, puzzle, riddle) |
| utterance(noun, question, problem, puzzle, riddle) |
| word(noun, question, problem, puzzle, riddle) |