| nature(noun, body, chief, bulk, generality) |
| navel(noun, base, capital, center, central) |
| nerve center(noun, base, capital, center, central) |
| nexus(noun, base, capital, center, central) |
| nut(noun, body, chief, bulk, generality) |
| omphalos(noun, base, capital, center, central) |
| pitch(noun, body, chief, bulk, generality) |
| playground(noun, base, capital, center, central) |
| playland(noun, base, capital, center, central) |
| point(noun, body, chief, bulk, generality) |
| polestar(noun, base, capital, center, central) |
| purport(noun, body, chief, bulk, generality) |
| quantum(noun, body, chief, bulk, generality) |
| root(noun, body, chief, bulk, generality) |
| staple(noun, body, chief, bulk, generality) |
| stuff(noun, body, chief, bulk, generality) |
| subject(noun, body, chief, bulk, generality) |
| substance(noun, body, chief, bulk, generality) |
| sum(noun, body, chief, bulk, generality) |
| sum total(noun, body, chief, bulk, generality) |