| stimulus(noun, cause) |
| substitute(noun, mean, show, produce, agent) |
| article(noun, feature, action, characteristic, part) |
| dividend(noun, number, mathematics) |
| emissary(noun, agent, representative, operative, manager) |
| formula(noun, mathematics) |
| gene |
| grounds(noun, cause, reason, basis, justification) |
| index(noun, mathematics) |
| medium(noun, vehicle, means, component, channel) |
| motivator(noun, cause, enticement, temptation, bonus) |
| reason(noun, feature, influence, issue, consideration) |
| surrogate(noun, agent, representative, assistant, operative) |
| thing(noun, feature, action, part, cause) |
| actor(noun, agent, representative, operative, manager) |
| antecedent(noun, feature, influence, reason, issue) |
| bailiff(noun, director, consignee) |
| commission agent(expression, idiom, consignee) |
| denominator(noun, number, mathematics) |
| executor(noun, agent, representative, operative, manager) |