| 100% | GUANINE | 7 | one of the 4 constituent bases of nucleic acids |
| 50% | DNA | 3 | Nucleic acid; the main constituent of the chromosomes of all organisms |
| 47% | THIRD | 5 | One of the bases |
| 46% | PIANOPEDAL | 10 | One of three at the base of a Steinway |
| 44% | IGUANODON | 9 | One of the dinosaurs upon which Godzilla is based |
| 43% | BLUFFATHROW | 11 | *Try to deceive one of the base runners |
| 42% | FLYNN | 5 | One of the Mudville players on base when the mighty Casey struck out |
| 41% | SONGOFTHEYEAR | 13 | One of the two Grammy categories won by 31-Across in 2013: 4 wds. |
| 41% | UBER | 4 | One of the app-based providers of 8a |
| 39% | TSWANA | 6 | One of the official languages of South Africa where it's spoken by about 4 million people |
| 39% | HONDA | 5 | Automobile brand based out of Japan which is one of the most famous car brands |
| 39% | VOLVO | 5 | Automobile brand based out of Sweden which is one of the most famous car brands |
| 39% | STOLEN | 6 | Like home base in Game One of the 1955 World Series, courtesy of Jackie Robinson |
| 39% | FRENCHOPEN | 10 | Another name for Roland-Garros, one of the 4 tennis grand slams which Serena Williams has won thrice: 2 wds. |
| 39% | BORNINTHEUSA | 12 | 1984 album by the Boss that became one of the top-selling records of all time: 4 wds. |
| 39% | ROUGE | 5 | "Moulin ___!" musical based on the eponymous film that is one of the highest-grossing Broadway musicals |
| 39% | ALFA | 4 | ___ Romeo, automobile brand based out of Italy which is one of the most famous luxury brands |
| 39% | AUDI | 4 | Automobile brand based out of Germany which is one of the most famous luxury car brands |
| 39% | FERRARI | 7 | Automobile brand based out of Italy which is one of the most famous luxury car brands |
| 39% | FOLIC | 5 | ___ acid (one of the B vitamins) |
| 39% | ALICEMUNRO | 10 | The Canadian film "Away From Her" is based on one of her short stories |
| 38% | MARTIN | 6 | Aston ___, automobile brand based out of England which is one of the most famous luxury car brands |
| 38% | AFRO | 4 | The world's largest one has a circumference of 4' 4" |
| 38% | TITRATE | 7 | Determine the concentration of, as an acid or base |
| 37% | STINGRAY | 8 | Marine creature with one or more venomous spines at the base of the tail |
| 37% | FACEBOOK | 8 | Social media company based out of Menlo Park which is one of the most visited websites on the Internet |
| 37% | DAVID | 5 | ___ Hasselhoff, American actor who was one of the judges on "America's Got Talent" from season 1 to 4 |
| 37% | ANTARCTIC | 9 | One of the five major circles of latitude |
| 37% | BACH | 4 | One of the Three B's of music |
| 37% | WHERE | 5 | One of the five W's of journalism |