| nadir(noun, base, foot, basement, rock bottom) |
| nature(noun, core, chief, bulk, generality) |
| nub(noun, core, chief, bulk, generality) |
| nucleus(noun, core, chief, bulk, generality) |
| nut(noun, core, chief, bulk, generality) |
| parcel(noun, portion, section, segment, partition) |
| part(noun, portion, section, segment, partition) |
| particle(noun, portion, section, segment, partition) |
| partition(noun, portion, section, segment, member) |
| pitch(noun, core, chief, bulk, generality) |
| pith(noun, core, chief, bulk, generality) |
| point(noun, core, chief, bulk, generality) |
| portion(noun, section, segment, partition, member) |
| purport(noun, core, chief, bulk, generality) |
| quantum(noun, core, chief, bulk, generality) |
| quintessence(noun, core, chief, bulk, generality) |
| rock bottom(noun, expression, base, foot, nadir) |
| root(noun, core, chief, bulk, generality) |
| scrap(noun, portion, section, segment, partition) |
| section(noun, portion, segment, partition, member) |