| disbelieve(verb, reject, disregard, ignore, dispute) |
| point(noun, concern, difficulty, interest, issue) |
| interrogation(noun, order, check, use, review) |
| enquiry |
| debate(noun, verb, check, consider, maintain) |
| topic(noun, business, trouble, worry, concern) |
| wonder(noun, verb, dispute, challenge, certain) |
| contest(noun, verb, consider, oppose, fight) |
| mystery(noun, trouble, issue, challenge, doubt) |
| oppose(verb, consider, criticize, fight, dispute) |
| probe(noun, verb, study, check, consider) |
| difficulty(noun, trouble, worry, issue, dislike) |
| grill(noun, verb, check, examine, challenge) |
| poll(noun, verb, review, request, examination) |
| protest(noun, verb, pass, difficulty, issue) |
| seek(verb, promote, examine, exact, try) |
| demur(noun, verb, dispute, difficulty, stick) |
| discredit(verb, charge, reject, disregard, ignore) |
| dubiousness(noun, certain, lack) |
| enquire(verb, doubt, search, ask, suspect) |