Preservation
Conservation, Saving
noun, verbal noun
ほぞん
維持 (いじ) Maintenance, Support
保持 (ほじ) Keep, Hold, Maintain, Retain
保護 (ほご、not on WK) Protection, Preservation, Conservation
保存 (ほぞん) Preservation, Conservation, Saving
We must Conserve the Hozon ほぞん monkeys (made up).