| Answer | Crossword Clue |
|---|---|
| BETA | Second Greek letter |
| BETA | Second letter of the Greek alphabet |
| CHI | Twenty-second letter of the Greek alphabet |
| PSI | Second-to-last letter of the Greek alphabet |
| chi | the twenty-second letter of the Greek alphabet |
| chis | the twenty-second letter of the Greek alphabet |
| betas | second letter of the Greek alphabet or its sound |
| beta | second letter of the Greek alphabet or its sound |
| ETA | First letter in the second quarter of the Greek alphabet |
