| 100% | METHANE | 7 | Flammable gas represented in 18-Across and 9-Down |
| 55% | AMMONIA | 7 | Pungent-smelling gas represented in 57-Across and 49-Down |
| 42% | THOMAS | 6 | With 9 Down and 71 Across, source of quote |
| 42% | ACUPUNCTURE | 11 | Traditional Chinese medicine component ... in which a practitioner might 3-, 9- and 18-Down? |
| 41% | CARBONDIOXIDE | 13 | Respiratory gas represented in 36-Across |
| 40% | ADO | 3 | Fuss found in 18- and 61-Across and 3- and 27-Down |
| 38% | CEES | 4 | They're hard in across answers and soft in down ones |
| 38% | CARRIE | 6 | With 18-Across and 21-Down, National American Woman Suffrage Association president starting in 1900 |
| 37% | ELF | 3 | Christmas figure seen in the answers to 18, 29, 46, and 60 Across |
| 37% | JUDYGARLAND | 11 | Mickey Rooney's costar in 18-Across and many other movies: 2 wds. |
| 36% | THEGAP | 6 | Something to mind ... in 18-, 24-, 47- and 58-Across |
| 36% | FATHERSDAY | 10 | Occasion to honor the Seniors in 18-Across and 32-Across (and others) (2 wds.) |
| 36% | ONE | 3 | 9 Down, in English |
| 36% | WALTERMATTHAU | 13 | Jack Lemmon's costar in 18- and 37-Across: 2 wds. |
| 36% | FIXBREAKFAST | 12 | Plea concerning the menu in 18-, 26-, 53- and 64-Across? |
| 35% | RICHARDPOWERS | 13 | Author of 18-Across, 40-Across, and the National Book Award-winning "The 9-Down Maker" (2 wds.) |
| 35% | DOUBLEPLAYS | 11 | Defensive baseball feats represented in 10-, 14-, 26-/30-, and 38-Across |
| 35% | THEBEATLES | 10 | Group whose songs get spoonerized in 18-, 23-, 32- and 46-Across |
| 35% | OFFCENTER | 9 | Out of whack, as shown in 18-, 24-, 41- and 51-Across |
| 35% | BATTINGTITLES | 13 | 18-Across and 40-Across have each won these in both major leagues: 2 wds. |
| 34% | NETLIKE | 7 | Threaded across and down |
| 34% | HEADSTART | 9 | What each word in 18-, 20-, 34- and 51-Across could be considered |
| 34% | JOYDIVISION | 11 | Band represented by 18-, 27- and 47-Across |
| 34% | PROPANE | 7 | Flammable gas used for soldering and cutting |
| 34% | PROPANE | 7 | Flammable gas used for soldering and welding |
| 34% | SHOELESSJOE | 11 | Nickname of "Black Sox" outfielder Jackson who's a character in 18-Across and 32-Across: 2 wds. |
| 34% | ARIZONA | 7 | State 18-Across represents in the Senate |
| 34% | JUNEIS | 6 | With 4 Down, 26 Across, and 18 Down, "Carousel" song famously slaughtered by Leslie Uggams |
| 34% | JOHNSINGLETON | 13 | Director of 18-Across and 40-Across who passed away in 2019 (2 wds.) |
| 34% | ITCHAPTERTWO | 12 | Horror sequel starring 18-Across and 32-Across set in Derry, Maine (3 wds.) |