| 100% | SOUP | 4 | First in a group leader to 28-Down |
| 47% | FIGHTCLUB | 9 | Group in a 1999 movie whose first rule of membership is not to talk about it: 2 wds. |
| 45% | BOOKOFHOSEA | 11 | First of a group of 12 in the Bible |
| 44% | NANCY | 5 | With 90-Down, first woman to lead a major party in Congress |
| 44% | MOVETHECHAINS | 13 | Pick up first downs, in football slang ... with a visual interpretation seen inside the answers to 19-, 24-, and 42-Across |
| 44% | DIRECTOR | 8 | High-ranked group leader in a corporate enterprise |
| 43% | MIGRATE | 7 | To move in a group based on season, like birds |
| 43% | TEN | 3 | First number in boxing countdown to a knockout |
| 43% | SERIESI | 7 | First group in a product run |
| 42% | ITO | 3 | First woman to land a triple axel in competition |
| 42% | ITO | 3 | First female to land a triple axel in competition |
| 42% | ELITISM | 7 | Pride in belonging to a select group |
| 42% | DEAR | 4 | First word in a letter to Santa |
| 42% | GHAT | 4 | Steps down to a river, in India |
| 42% | LOLA | 4 | Girl in a Manilow song with "a dress cut down to there" |
| 42% | LOLA | 4 | Woman in a Manilow song with "a dress cut down to there" |
| 41% | HAYES | 5 | First president to have a telephone in the White House |
| 41% | BANNISTER | 9 | First to run a mile in under 4 minutes: Roger __ |
| 41% | ANGLEE | 6 | First nonwhite person to win a directing Oscar, in 2006 |
| 41% | LOLA | 4 | Woman in a Barry Manilow song with "a dress cut down to there" |
| 41% | FILLMORE | 8 | First president to have a stove in the White House (1850s) |
| 41% | SIGEP | 5 | First college frat to charter a chapter in all 50 states |
| 41% | BTS | 3 | First K-pop group to have a #1 Billboard hit |
| 41% | BLACKWELL | 9 | Elizabeth __, first woman in US to become a doctor |
| 41% | MOTOROLA | 8 | The first company to sell a cellphone, in 1973 |
| 41% | SOFA | 4 | Place to plop down in a den |
| 40% | SADDER | 6 | More in a 28-Down |
| 40% | PAIR | 4 | Unit in a 28-Down |
| 40% | NOTALONE | 8 | In a group |
| 40% | ITO | 3 | First female skater to land a triple/triple jump combination in competition |