| 100% | CIRC | 4 | No. on which a magazine's ad rates are based |
| 47% | BEDROCK | 7 | Fundamental principles on which a thing is based |
| 47% | LATOSCA | 7 | 1887 play on which a 1900 opera is based |
| 46% | SHREK | 5 | William Steig book on which a hit 2001 film was based |
| 46% | MADAMEBUTTERFLY | 15 | Cho-Cho-San story on which a Puccini opera was based |
| 45% | EMAG | 4 | A magazine that is based purely on an online platform. |
| 45% | BOHEME | 6 | "Scènes de la Vie de ___" (novel on which a Puccini opera is based) |
| 44% | PAINSCALE | 9 | Rating system on which a ten is far from perfect |
| 43% | PEDESTAL | 8 | The base on which a statue is mounted on |
| 42% | IMDB | 4 | Site on which This Is Spinal Tap has a rating out of 11 |
| 40% | AMERICANGODS | 12 | Television series based on 45a's novel which is about Shadow Moon, a former convict and Mr. Wednesday, a con artist: 2 wds. |
| 39% | ULYSSES | 7 | 1967 film directed by Joseph Strick which is loosely based on a novel by James Joyce |
| 38% | ARK | 3 | "Schindler's ___" (novel on which "Schindler's List" was based) |
| 38% | ARK | 3 | "Schindler's ___" (novel on which "Schindler's List" is based) |
| 38% | SOUTH | 5 | "___ Pacific," musical based on a Pulitzer-winning book which was released during the Golden Age of Broadway |
| 38% | MAGNETICEQUATOR | 15 | Line on which a dip needle is horizontal |
| 38% | ARM | 3 | Limb on which a bracelet is usually worn |
| 38% | MANO | 4 | Body part on which a guante is worn |
| 38% | PLINTH | 6 | Base on which a statue stands |
| 38% | OSOLEMIO | 8 | Italian song on which Elvis’s “It’s Now or Never” was based |
| 38% | MIND | 4 | "A Beautiful ___" biographical drama based on a novel by Sylvia Nasar which is about a Nobel laureate John Nash |
| 38% | SPEC | 4 | Shaky ground on which a house might be built? |
| 38% | TRIPOD | 6 | Three-pronged stand on which a camera is placed |
| 38% | SITAR | 5 | String instrument on which a raga might be played |
| 37% | THEIMPOSSIBLE | 13 | A 2012 disaster drama based on a 2004 Tsunami survivor, for which Naomi Watts was nominated for an Oscar: 2 wds. |
| 37% | WITCHER | 7 | "The ___," 2019 TV series based on the book series by Andrzej Sapkowski which was adapted into a video game |
| 37% | NETSALES | 8 | Figure on which royalties are based |
| 37% | CRITERIA | 8 | Standards on which decisions are based |
| 37% | LILI | 4 | Film on which "Carnival" was based |
| 37% | IAMACAMERA | 10 | Play on which "Cabaret" is based |