| challenge(noun, examination, disquisition, delving, examen) |
| check(noun, examination, disquisition, delving, examen) |
| checkup(noun, examination, disquisition, delving, examen) |
| cogitation(noun, account, debate, deliberation, advisement) |
| collusion(noun, design, system, arrangement, scheme) |
| conception(noun, design, system, arrangement, scheme) |
| consideration(noun, account, debate, deliberation, advisement) |
| conspiracy(noun, design, system, arrangement, scheme) |
| contemplation(noun, account, debate, deliberation, advisement) |
| contrivance(noun, design, system, arrangement, scheme) |
| counterplan(noun, design, system, arrangement, scheme) |
| counterstrategy(noun, design, system, arrangement, scheme) |
| cross-examination(noun, examination, disquisition, delving, examen) |
| debate(noun, account, deliberation, advisement) |
| deliberation(noun, account, debate, advisement) |
| delving(noun, examination, disquisition, examen) |
| device(noun, design, system, arrangement, scheme) |
| diagnosis(noun, examination, disquisition, delving, examen) |
| diagram(noun, design, system, arrangement, scheme) |
| disquisition(noun, examination, delving, examen) |