| Answer | Crossword Clue |
|---|---|
| chiliad | period of 1000 years |
| chiliads | period of 1000 years |
| chiliast | the doctrine of Christ's expected return to reign on earth for 1000 years; millennialism |
| chiliasm | the doctrine of Christ's expected return to reign on earth for 1000 years; millennialism |
| CMIV | More than 1000 years ago. |
| ENGLISHOAK | Tree that may live over 1000 years |
