| Answer | Crossword Clue |
|---|---|
| PSI | Second-to-last letter of the Greek alphabet |
| BETA | Second letter of the Greek alphabet |
| CHI | Twenty-second 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 |
| OMEGA | Last letter of the Greek alphabet |
| omega | the last letter of the Greek alphabet |
| omegas | the last letter of the Greek alphabet |
| RHO | First letter in the last third of the Greek alphabet |
| OMEGA | Last letter in the Greek alphabet |
| OMEGA | Last letter of Greek alphabet. |
