| Answer | Crossword Clue |
|---|---|
| AIRLINE | Delta, but not gamma |
| AIRLINE | Delta, but not alpha, beta, or gamma |
| FIJI | Phi Gamma Delta fraternity, familiarly |
| RAY | Follower of alpha, beta, gamma, and delta |
| hydroxybutyrate | as in gamma hydroxybutyrate, a substance that occurs naturally in the brain, used medically as a sedative but also as a recreational drug and alleged aphrodisiac |
| rogallo | a flexible fabric delta wing, originally designed as a possible satellite retrieval vehicle but actually developed in the 1960s as the first successful hang-glider |
