| caliber(noun, quality, effect, efficiency, productivity) |
| capability(noun, quality, effect, efficiency, productivity) |
| capacity(noun, quality, effect, efficiency, productivity) |
| carefulness(noun, quality, effect, efficiency, productivity) |
| certainty(noun, quality, effect, efficiency, productivity) |
| channel(noun, quality, effect, efficiency, productivity) |
| child's play(expression, quality, effect, efficiency, productivity) |
| cinch(noun, quality, effect, efficiency, productivity) |
| close(noun, adjective, effect, procedure, result) |
| closeness(noun, quality, effect, efficiency, productivity) |
| clout(noun, quality, effect, efficiency, productivity) |
| compass(noun, quality, effect, efficiency, productivity) |
| composure(noun, quality, effect, efficiency, productivity) |
| craft(noun, quality, effect, efficiency, productivity) |
| creative(noun, adjective, study, work, quality) |
| cunning(noun, quality, effect, efficiency, productivity) |
| definiteness(noun, quality, effect, efficiency, productivity) |
| definitiveness(noun, quality, effect, efficiency, productivity) |
| definitude(noun, quality, effect, efficiency, productivity) |
| dexterity(noun, quality, effect, efficiency, productivity) |