| 100% | HELGA | 5 | ___ Hufflepuff, one of the co-founders of Hogwarts |
| 69% | SERGEY | 6 | Brin, one of the co-founders of Google |
| 63% | GODRIC | 6 | ___ Gryffindor, English wizard who was also one of the founders of Hogwarts School of Witchcraft and Wizardry |
| 63% | ROWENA | 6 | ___ Ravenclaw, Scottish witch who was also one of the founders of Hogwarts School of Witchcraft and Wizardry |
| 62% | MYRA | 4 | ___ Hart, one of the 1986 founders of Staples Inc. |
| 61% | KELLER | 6 | Helen who was one of the ACLU's co-founders |
| 61% | WALT | 4 | ___ Disney, Co-founder of one of the biggest animation studios |
| 59% | RAVENCLAW | 9 | One of the houses of Hogwarts |
| 58% | ARP | 3 | One of the founders of Dadaism, Hans |
| 58% | GODRIC | 6 | One of Hogwarts' founders, Gryffindor |
| 58% | AMAL | 4 | First name of one co-founder of the Clooney Foundation for Justice |
| 58% | JAYZ | 4 | One of the founders of Roca-Fella-Records |
| 57% | ETHAN | 5 | ___ Allen, one of the founders of Vermont |
| 56% | ARNOLD | 6 | One of the founders of Westworld, on HBO's "Westworld" |
| 56% | LARRYDAVID | 10 | One of the co-creators of "Seinfeld" who also voiced George Steinbrenner on the show: 2 wds. |
| 56% | JONATHANWINTERS | 15 | Co-star of The Loved One |
| 56% | EVAN | 4 | ___ Spiegel, co-founder and CEO of Snap Inc., with Snapchat as one of the products |
| 56% | ROBERTCRUMB | 11 | One of the founders of the underground comix movement: 2 wds. |
| 56% | PCT | 3 | One of the largest co-ed professional business fraternities, for short |
| 55% | ETHAN | 5 | Allen who was one of the founders of Vermont |
| 55% | LEVI | 4 | Founder of one of the 12 tribes |
| 55% | EDY | 3 | Joseph ___, one of the founders of Dreyer's ice cream |
| 55% | RAVEN | 5 | "Claw" starter to mean one of the houses at Hogwarts |
| 54% | LEVI | 4 | Founder of one of the 12 tribes of Israel |
| 53% | NEWMAN | 6 | John Henry —, 19th-century theologian; one of the founders of the Oxford Movement |
| 53% | PLATO | 5 | Greek philosopher considered one of the founders of Western Philosophy along with Aristotle |
| 51% | NEHRU | 5 | Co-founder of the Nonaligned Movement |
| 51% | SEALE | 5 | Co-founder of the Black Panthers |
| 51% | ROYORBISON | 10 | Co-founder of the Traveling Wilburys |
| 51% | DELTA | 5 | Co-founder of the SkyTeam alliance |