| Answer | Crossword Clue |
|---|---|
| AIRE | Ending for billion |
| AIRE | Million or billion ending |
| EON | The Hadean was the first one, ending about 4 billion years ago |
| AIRE | Suffix for billion |
| AIRE | Suffix for million or billion |
| ALLAH | Deity for over one billion people |
| ASIA | Home for two billion or so |
| AROD | Baseball's quarter-billion dollar man, for short |
| SOLAR | Renewable energy option, for a few billion more years anyway |
