| substance(noun, organization, law, area, importance) |
| essence(noun, organization, law, area, substance) |
| core(noun, organization, law, area, strength) |
| gist(noun, organization, law, area, strength) |
| kernel(noun, law, importance, effect, heart) |
| nub(noun, law, effect, heart, essence) |
| pith(noun, organization, law, area, strength) |
| crux(noun, organization, area, strength, material) |
| heart(noun, law, importance, effect, essence) |
| meat(noun, law, effect, heart, essence) |
| marrow(noun, law, effect, heart, essence) |
| nucleus(noun, importance, heart) |
| quintessence(noun, law, effect, heart, essence) |
| soul(noun, law, effect, heart, essence) |
| stuff(noun, law, informal, heart, be) |
| burden(noun, effect, meaning, essence, import) |
| body(noun, area, strength, effect, quantity) |
| center(noun, strength, effect, subject, meaning) |
| point(effect, meaning, essence, import, gist) |
| spirit(noun, law, heart, be) |