| 100% | LRON | 4 | ___ Hubbard of Scientology |
| 100% | LRON | 4 | Hubbard of Scientology |
| 60% | LRON | 4 | Hubbard of fiction |
| 59% | LRON | 4 | Founder of the Church of Scientology, ___ Hubbard: 2 wds. |
| 59% | LRON | 4 | Hubbard of science fiction |
| 55% | LRON | 4 | Scientology guru ___ Hubbard |
| 55% | LRON | 4 | Scientology founder ___ Hubbard |
| 55% | LRON | 4 | Scientology's ___ Hubbard |
| 55% | LRON | 4 | Scientology founder, Hubbard |
| 55% | LRON | 4 | Scientology creator ___ Hubbard |
| 55% | LRON | 4 | Scientology founder Hubbard |
| 55% | LRON | 4 | Scientology’s — Hubbard |
| 52% | LRON | 4 | Scientology founder ___ Hubbard: 2 wds. |
| 52% | REMINI | 6 | Leah __, creator of Scientology and the Aftermath |
| 52% | ERICA | 5 | Actress Hubbard of "Akeelah and the Bee" |
| 49% | LRON | 4 | ___ Hubbard, Scientology founder |
| 47% | OLD | 3 | Description of Mother Hubbard or MacDonald |
| 47% | LRON | 4 | & 8A US science fiction writer who founded the Church of Scientology |
| 46% | XENU | 4 | Dictator of the Galactic Confederacy, in Scientology |
| 46% | SCIENTOLOGY | 11 | Study of ''Dianetics'' by L. Ron Hubbard |
| 45% | MIMIROGERS | 10 | "Lost in Space" actress who left the Church of Scientology: 2 wds. |
| 45% | NICOLE | 6 | With 37-Across, "Rabbit Hole" actress who left the Church of Scientology |
| 43% | LEAH | 4 | ___ Remini, the author of "Troublemaker: Surviving Hollywood and Scientology" |
| 43% | POETRY | 6 | "The bill and coo of sex" per Elbert Hubbard |
| 42% | NONE | 4 | Last word in the first verse of "Old Mother Hubbard" |
| 39% | LRON | 4 | ___ Hubbard (Scientology founder): 2 wds. |
| 38% | RON | 3 | L. ___ Hubbard (Scientology founder) |
| 38% | CAL | 3 | Hall-of-Famer Hubbard |
| 37% | CAL | 3 | Double Hall-of-Famer Hubbard |
| 35% | CALS | 4 | Hall-of-Famer Hubbard and others |