| agent(noun, cause, reason, base, element) |
| author(noun, cause, reason, base, element) |
| bottom(noun, cause, base, quick, core) |
| consideration(noun, cause, reason, object, element) |
| determinant(noun, cause, reason, object, base) |
| drive(noun, feeling, cause, reason, object) |
| element(noun, cause, influence, reason, base) |
| factor(noun, cause) |
| foundation(noun, cause, start, reason, base) |
| fountainhead(noun, cause, quick, source, origin) |
| groundwork(noun, cause, quick, source, origin) |
| leaven(noun, cause, reason, element, matter) |
| matter(noun, reason, element, source, agent) |
| origination(noun, cause, source, derivation) |
| primum mobile(expression, idiom, cause, motive) |
| stimulus(noun, feeling, cause, reason, object) |
| well(noun, cause, source, spring, origin) |
| agency(noun, reason, element, matter, source) |
| aim(noun, cause, reason, object, element) |
| ambition |