| 100% | WITCHES | 7 | First group seen in "Macbeth" |
| 64% | AEIOU | 5 | Group seen in gathering clouds? |
| 64% | CAST | 4 | Group seen in a play |
| 63% | AEIOU | 5 | Group seen in late-night hours? |
| 61% | KLAN | 4 | Group seen in the film "Legion of Terror" |
| 60% | SET | 3 | Math grouping seen in curly brackets |
| 59% | ZEE | 3 | First character seen in "Zelig" |
| 59% | KGB | 3 | Soviet spy group seen in Bond films: Abbr. |
| 58% | SERIESI | 7 | First group in a product run |
| 58% | LAPD | 4 | Law enforcement group seen in "Dragnet" and "Columbo": Abbr. |
| 57% | TEAM | 4 | Group seen seven times in this puzzle |
| 56% | TOURGUIDE | 9 | Seen in big cities, leading a group around |
| 53% | ABBA | 4 | First group alphabetically in the Rock and Roll Hall of Fame |
| 53% | CRESCENT | 8 | It's seen in the first or last quarter |
| 52% | ABBA | 4 | Alphabetically first group in the Rock & Roll Hall of Fame |
| 52% | SOUP | 4 | First in a group leader to 28-Down |
| 51% | ABBA | 4 | Alphabetically first group in the Rock and Roll Hall of Fame |
| 51% | BOOKOFHOSEA | 11 | First of a group of 12 in the Bible |
| 51% | RHESUS | 6 | Blood group system first observed in monkeys |
| 51% | EROS | 4 | Asteroid first seen in 1898 |
| 51% | LOTHARIO | 8 | Philanderer first seen in Cervantes |
| 50% | MONTYPYTHON | 11 | Group who may see a holy grail in this grid |
| 50% | IZZZATSON | 9 | Technological breakthrough first seen on "Jeopardy!" in 2011 |
| 49% | MONTYPYTHON | 11 | ...this Brit group was first seen on US TVs |
| 49% | AKITA | 5 | Alphabetically first dog in the AKC's Working Group |
| 49% | RADIOHEAD | 9 | British rock group, first single in 1992 was Creep |
| 47% | BELTBUCKLE | 10 | Clothing accessory, perhaps ... or what you can see in each of four groups of circles? |
| 47% | TOMANDJERRY | 11 | Duo first seen in "Puss Gets the Boot," 1940 |
| 47% | JAWS | 4 | Henchman first seen in "The Spy Who Loved Me" |
| 47% | BB8 | 3 | Droid first seen in "Star Wars: The Force Awakens" |