| keeping(noun, state, caution, protection, preservation) |
| maturation(noun, progress, development, growth, expansion) |
| nature(noun, creation, origination, conception) |
| preservation(noun, state, caution, protection) |
| production(noun, nature, creation, origination, conception) |
| progression(noun, progress, development, growth, expansion) |
| prudence(noun, state, caution, protection, preservation) |
| recuperative(adjective, feature, detail, resource) |
| safety(noun, state, caution, protection, preservation) |
| shelter(noun, state, caution, protection, preservation) |
| shield(noun, state, caution, protection, preservation) |
| solicitude(noun, state, caution, protection, preservation) |
| source(noun, nature, creation, origination, conception) |
| start(noun, nature, creation, origination, conception) |
| trust(noun, state, caution, protection, preservation) |
| upkeep(noun, state, caution, protection, preservation) |
| viability(noun, nature, feature, state, condition) |
| care(noun, state, caution, protection, preservation) |
| caution(noun, state, protection, preservation) |
| charge(noun, state, caution, protection, preservation) |