| 100% | ZETA | 4 | It's both sixth and last, alphabetically |
| 48% | CORN | 4 | It's both grown and eaten in rows |
| 46% | YEA | 3 | It's both a synonym and an anagram of "aye" |
| 45% | LIGHT | 5 | It's both a particle and a wave, in quantum theory |
| 44% | JULY | 4 | It's both National Hot Dog Month and National Ice Cream Month |
| 44% | PIANO | 5 | It's considered to be both a percussion and stringed instrument |
| 44% | ZIMBABWE | 8 | Alphabetically, it's the last country in the world |
| 43% | POEM | 4 | It's measured in both feet and meters |
| 41% | ALGOLOGY | 8 | It's the study of both pain and algae |
| 41% | CLEANLINESS | 11 | It's next to 10-Down, both in an adage and literally in this puzzle |
| 41% | OHIO | 4 | It's high in the middle and round at both ends, in an old joke |
| 40% | THEGREATDIVIDE | 14 | It splits both North and South America |
| 39% | NYC | 3 | It has both Kings and Queens counties, briefly |
| 39% | LSAT | 4 | Both Clintons and Obamas took it |
| 39% | EON | 3 | It lasts and lasts |
| 39% | SYNDROME | 8 | It's the S in AIDS, IBS and PMS |
| 38% | TAXI | 4 | It has both a motor and a meter |
| 38% | BOND | 4 | It both precedes and follows James |
| 37% | REGINAKING | 10 | Acting royalty whose first and last names are both royalty-related |
| 37% | ZZTOP | 5 | Alphabetically last Rock and Roll Hall of Fame inductees |
| 37% | BUY | 3 | ___ school supplies, stationery shopping that's both a fun and necessary activity for the last weekend before school |
| 37% | IOWA | 4 | It borders both the Missouri and the Mississippi rivers |
| 37% | DARKHUMOR | 9 | It may produce both a cringe and a laugh |
| 37% | EVER | 4 | It precedes more and lasting |
| 36% | ZZTOP | 5 | Last band in the Rock and Roll Hall of Fame, alphabetically |
| 36% | MISFITS | 7 | Last film of both Marilyn Monroe and Clark Gable, with "The" |
| 35% | TWENTIETH | 9 | It's so last century |
| 35% | DESSERT | 7 | It's usually downed last |
| 35% | LEMONPIE | 8 | It's yellow and crusty |
| 35% | HAY | 3 | It's cut and dried |