| conception(noun, nature, creation, origination) |
| concern(noun, state, caution, protection, preservation) |
| conservation(noun, state, caution, protection, preservation) |
| genesis(noun, nature, creation, origination, conception) |
| guard(noun, state, caution, protection, preservation) |
| imperishable(adjective, feature, detail, resource) |
| increase(noun, progress, development, growth, expansion) |
| inexhaustible(adjective, feature, detail, resource) |
| invention(noun, nature, creation, origination, conception) |
| maintenance(noun, state, caution, protection, preservation) |
| manageable(adjective, feature, detail, resource) |
| recoverable(adjective, feature, detail, resource) |
| root(noun, nature, creation, origination, conception) |
| safeguard(noun, state, caution, protection, preservation) |
| security(noun, state, caution, protection, preservation) |
| unending(adjective, feature, detail, resource) |
| universe(noun, nature, creation, origination, conception) |
| advance(noun, progress, development, growth, expansion) |
| advancement(noun, progress, development, growth, expansion) |
| birth(noun, nature, creation, origination, conception) |