| 100% | MOVEFASTAND | 11 | With 55-Across, modern principle of start-ups |
| 56% | JRRTOLKIENSTHE | 14 | With 55-Across, source of this puzzle's quote (which starts in box #38) |
| 54% | THELANDDIVIDED | 14 | With 55 Across, transportation slogan of 100 years ago |
| 50% | CLEAR | 5 | With 64-Across, words that can precede the starts of 18-, 31-, 38- and 55-Across |
| 50% | SOMETHINGOLD | 12 | With 52 Across, start of a bridalwear rhyme |
| 48% | LAKE | 4 | With 55-Across, War of 1812 battle site |
| 48% | ITS | 3 | With 55-Across, film comedy bomb of 1994 |
| 47% | ITALIAN | 7 | With 55-Across, description of 23-, 36- and 44-Across |
| 47% | DEMI | 4 | With 55-Across, ex of Ashton Kutcher and Bruce Willis |
| 45% | POLICELINE | 10 | With 55 Across, crime scene warning |
| 45% | BABE | 4 | With 55-Across, member of the Baseball Hall of Fame's first class |
| 44% | UNOFFICIALSTART | 15 | With 55 Across, what 19 Across signifies |
| 44% | ROLL | 4 | With 23 Across, start-of-class activity |
| 44% | HALF | 4 | With 69-Across, ship of 55-Across |
| 44% | TEED | 4 | Started a game of golf, with "up" |
| 43% | BETWEENSCYLLA | 13 | With 55 Across, dilemma-bound (from the ''Odyssey'') |
| 43% | ALAN | 4 | With 55 Across, ''Little Miss Sunshine'' Oscar winner |
| 43% | HITTHE | 6 | With 55 Across, 1961 hit for Ray Charles |
| 43% | SPICE | 5 | With 8-Across, business of 55-Across's backers |
| 42% | NINE | 4 | See 14 Across ... or the number of interconnected Monday puzzles before this one, starting with 3/15 |
| 41% | OSCAR | 5 | With 63-Across, author of the quip starting at 17-Across |
| 41% | OSCAR | 5 | With 126-Across, author of the quip starting at 27-Across |
| 41% | MONTYPYTHONS | 12 | With 55 Across, BBC series that premiered 50 years ago tomorrow |
| 41% | SINGLEPLACE | 11 | With 20- and 55-Across, description of 60-Across |
| 41% | FELICITY | 8 | With 55-Across, English actress who plays the first wife of 35-Across in "The Theory of Everything" |
| 41% | ISTHERE | 7 | With 18-Across, start of a query |
| 41% | WOODY | 5 | With 55-Down, star of this puzzle |
| 41% | FRIDGE | 6 | With 11 Across, modern-day slang for a smoke-free midday pick-me-up |
| 40% | DOUNTO | 6 | With 37-Across, start of an ethical rule |
| 40% | COIN | 4 | With 42-Across, starts of pro football games |