| 100% | AMMONIA | 7 | Pungent-smelling gas represented in 57-Across and 49-Down |
| 56% | METHANE | 7 | Flammable gas represented in 18-Across and 9-Down |
| 40% | HERBS | 5 | Things hidden in 17-. 23-, 49- and 57-Across |
| 40% | CARBONDIOXIDE | 13 | Respiratory gas represented in 36-Across |
| 39% | ACRID | 5 | Strong and pungent, in terms of smell or taste |
| 38% | CEES | 4 | They're hard in across answers and soft in down ones |
| 37% | AEIOU | 5 | Quintet not represented in 10- or 49-Down |
| 35% | HALFBAKED | 9 | Description of 17-, 25-, 36- and 49-Across, in different senses? |
| 35% | DOUBLEPLAYS | 11 | Defensive baseball feats represented in 10-, 14-, 26-/30-, and 38-Across |
| 34% | NETLIKE | 7 | Threaded across and down |
| 34% | EVE | 3 | Woman in 57 Down |
| 34% | BECAUSEISAIDSO | 14 | Reply to the question in 13- and 57-Down |
| 33% | AMMONIA | 7 | Strong smelling gas, nitrogen and hydrogen |
| 33% | ALCHEMY | 7 | 13-, 20-, 49- and 57-Across, commonly? |
| 33% | CROSSWORDS | 10 | Puzzles with across and down clues |
| 33% | ACRID | 5 | Pungent and bitter smelling |
| 32% | CROSSWORD | 9 | Angry element of speech; across and down |
| 32% | INASCRABBLEGAME | 15 | With 30- and 49-Across, test question to be answered by filling in the correct circle |
| 32% | AEIOU | 5 | Elements found once each in 1-, 15-, 57-, 62-Across, and 30-Down |
| 32% | UPS | 3 | ___ and downs in life |
| 32% | JOSEPH | 6 | With 14- and 45-Across, "Inception" actor who stars in 49-Across |
| 32% | PROFESSORPLUM | 13 | With 37- and 49-Across, possible solution to 12-Down |
| 32% | ONI | 3 | Vegetable with a pungent smell and taste: ___on |
| 31% | FRUITLESSLY | 11 | In vain ... or how to read the answers to 17-, 25-, 49- and 58-Across |
| 31% | FRANKS | 6 | ___ and 49-Down |
| 31% | ZEROMOSTEL | 10 | Previous portrayer of 57 Across' role in 46 Across |
| 31% | CROSS | 5 | What this puzzle's across and down answers do |
| 31% | AMERICA | 7 | Down and Out in __, expose on Reaganomics |
| 31% | PRO | 3 | Expert, and what's in motion in 1-, 20-, 40-, 57- and 71-Across |
| 31% | SHAPESUP | 8 | Quits misbehaving ... or a literal hint to 4-, 9-, 13-, 49- and 57-Down |