| 100% | YRS | 3 | '17 and '18 |
| 100% | HOLES | 5 | 17 and 18, but not 19 or 20 |
| 81% | BENHUR | 6 | 1959 movie starring 17- and 18-Across |
| 81% | PLANETOFTHEAPES | 15 | 1968 movie starring 17- and 18-Across |
| 81% | ELCID | 5 | 1961 movie starring 17- and 18-Across |
| 78% | OMEGAMAN | 8 | 1971 movie starring 17- and 18-Across, with "The" |
| 78% | TENCOMMANDMENTS | 15 | 1956 movie starring 17- and 18-Across, with "The" |
| 73% | THEWHOLE | 8 | 100% ... or words that can precede 17-, 18-, 30- and 51-Across |
| 63% | EVEN | 4 | Like 2, 8, and 18 |
| 61% | RRATEDMOVIE | 11 | *Fare for those 17 and up |
| 61% | ERNESTHEMINGWAY | 15 | Author of 17 and 63 Across |
| 61% | TOONS | 5 | 18-Across and others |
| 61% | NINS | 4 | 18-Across and family |
| 61% | MIDDLEC | 7 | Starting point for a piano student, or a phonetic hint to 17-, 18-, 22-, 33-, 41-, 49- and 55-Across |
| 60% | OHIO | 4 | Home of Cincinnati, Columbus and 18-Across |
| 59% | ANAGRAM | 7 | See 17- and 57-Across |
| 59% | PAULSMITH | 9 | See 17- and 41-Across |
| 59% | HERMANWOUK | 10 | "The Caine Mutiny," 18-Across, and 31-Across novelist who passed away at age 103 on May 17, 2019 (2 wds.) |
| 58% | THEPEACEMAKER | 13 | 1997 film starring Nicole Kidman and 18-Across |
| 58% | DATEMOVIES | 10 | 18-, 23-, 51- and 56-Across? |
| 58% | ROBERTFROSTPOEM | 15 | What 17- and 39-Across is |
| 58% | PAYBACKTIME | 11 | What 17- and 54-Across indicate |
| 58% | SLAPSTICKCOMEDY | 15 | Genre of 17- and 56-Across |
| 58% | BLACK | 5 | Shade of 17- and 57-Across |
| 57% | PAGES | 5 | 17- and 65-Across, and 10- and 25-Down |
| 57% | COLORFULANIMALS | 15 | 17- and 60-Across and 11- and 35-Down |
| 57% | STEPHENKING | 11 | Author of "The Shining" and 18-Across: 2 wds. |
| 56% | RST | 3 | 18, 19 and 20 of a series |
| 56% | ADULT | 5 | 18-year-old and above, by law |
| 56% | BROKENHEART | 11 | Feature of 17- and 54-Across, literally |