| nothingness(noun, condition, void, hollow, absence) |
| nullity(noun, extinction, opening, blank, space) |
| void(noun, want, extinction, opening, blank) |
| nonexistence(noun, condition, extinction, lack, blank) |
| nothing(noun, condition, extinction, lack, unknown) |
| nonentity(noun, nonexistence, inexistence) |
| vacuity(noun, opening, space, void, hollow) |
| emptiness(noun, extinction, opening, blank, space) |
| naught(noun, nonexistence) |
| oblivion(noun, extinction, blank, wind, obscurity) |
| vacancy(noun, opening, space, void, hollow) |
| absence |
| cipher(noun, nonexistence, unsubstantiality) |
| vacuum(noun, opening, space, void, hollow) |
| blank(noun, space, emptiness, nonexistence, vacuum) |
| unreality(noun, unsubstantiality) |
| insignificancy |
| nihilism(noun, inexistence) |
| nil(noun, nonexistence, inexistence) |
| nought |