| bulk(noun, question, content, motive, motif) |
| burden(noun, question, content, motive, motif) |
| business(noun, thing, matter, affair) |
| care(noun, business, thing, matter, affair) |
| case(noun, challenge, problem, knot) |
| catch(noun, challenge, case, problem, knot) |
| centerpiece(noun, question, content, motive, motif) |
| check(noun, examination, disquisition, delving, examen) |
| checkup(noun, examination, disquisition, delving, examen) |
| coefficient(noun, measure, quantity, amount, volume) |
| cogitation(noun, account, debate, deliberation, advisement) |
| concern(noun, business, thing, matter, affair) |
| contemplation(noun, account, debate, deliberation, advisement) |
| content(noun, question, motive, motif) |
| conundrum(noun, challenge, case, problem, knot) |
| core(noun, question, content, motive, motif) |
| count(noun, question, content, motive, motif) |
| crisis(noun, business, thing, matter, affair) |
| cross-examination(noun, examination, disquisition, delving, examen) |
| crossroad(noun, business, thing, matter, affair) |