| concern(noun, mark, note, regard, interest) |
| conduct(noun, direction, management, running) |
| contemplation(noun, study, mind, interest, notice) |
| court(noun, request, appeal) |
| courtship(noun, request, appeal) |
| cover |
| cramming(noun, study, class, exercise, subject) |
| debate(noun, study, mark, note, regard) |
| deep study(expression, idiom, attention) |
| deep thought(expression, idiom, attention) |
| desire(noun, demand, request, appeal, entreaty) |
| doggedness(noun, resolve, care, determination, firmness) |
| dosage(noun, measure, quantity, lot, amount) |
| dose(noun, quantity, amount, portion) |
| draft(noun, claim, request) |
| duty(noun, condition, virtue, devotion, used) |
| employ |
| endurance(noun, activity, go, drive, power) |
| enforcing |
| engrossment(noun, mind, interest, notice, attention) |