| William Tell, notably | 21 |
| William TellÂ’s canton | 25 |
| William Thackeray hero | 22 |
| William the apple-splitter | 26 |
| William the apple-splitting sharpshooter | 40 |
| William the archer | 18 |
| William the Conqueror was one | 29 |
| William the Conqueror's adversary | 37 |
| William the Elder or Younger | 28 |
| William the pirate | 18 |
| William the sharpshooter | 24 |
| William Thomas Green Morton was one | 35 |
| William Underwood | 17 |
| William Waldorf and John Jacob | 30 |
| William Wallace for one | 24 |
| William Wallace, e.g. | 21 |
| William Wallace, for one | 24 |
| William Webster's agents | 28 |
| William Wharton novel | 21 |
| William who created Shrek | 25 |
| William who directed "Funny Girl" | 43 |
| William who founded CBS | 23 |
| William who founded Mad magazine | 32 |
| William who has a state named after him | 39 |
| William who invented the crosswalk, or composer Brian | 53 |
| William who invented the steam shovel | 37 |
| William who massacred "She Bangs" | 43 |
| William who played Hopalong Cassidy | 35 |
| William who played Uncle Charley on "My Three Sons" | 61 |
| William who rode the same night as Paul Revere | 46 |
| William who rode with Paul Revere | 33 |
| William who wrote "Half Mile Down" | 44 |
| William who wrote "Sophie's Choice" | 49 |
| William who wrote "The Dark at the Top of the Stairs" | 63 |
| William who wrote about the Nazis | 33 |
| William with a state named after him | 36 |
| William with the bow | 20 |
| William ___ (1996 Nobelist in economics) | 40 |
| William ___ (long-time head of Homicide on "The Wire") | 64 |
| William ___ (New York City's mayor from 1946-50) | 52 |
| William ___ + Co. (brokerage) | 29 |
| William ___ Benét | 20 |
| William ___ Center for the Arts, in Kansas | 42 |
| William ___ Gladstone | 21 |
| William ___ Henley, "Invictus" poet | 45 |
| William ___ Howells | 19 |
| William ___ Phelps of Yale | 26 |
| William ___ Sherman | 19 |
| William ___ Williams | 20 |
| William ___ Yeats | 17 |
| William ___, 1990s attorney general | 35 |
| William ___, attorney general under Bush the elder | 50 |
| William ___, baseball commissioner before Bowie Kuhn | 52 |
| William ___, chief of staff for Roosevelt and Truman | 52 |
| William ___, Fielding character | 31 |
| William ___, half of the team that produced Tom and Jerry and Yogi Bear | 71 |
| William ___, Hopalong Cassidy player | 36 |
| William ___, law partner of Abraham Lincoln | 43 |
| William ___, longtime editor of The New Yorker | 46 |
| William ___, secretary of commerce under Clinton | 48 |
| William ___, the Father of Modern Medicine | 42 |
| William ___, the Father of Photography | 38 |
| William ___, who founded Ralston Purina | 39 |
| William ____ (WWI air ace) | 26 |
| William ____Mackenzie King | 26 |
| William _____ (Neuromancer author) | 34 |
| William _____ (Star Trek's Captain Kirk) | 44 |
| William _____ Gladstone | 23 |
| William's "Leave ___ to Heaven" | 45 |
| William's "The Thin Man" co-star | 46 |
| William's "The Thin Man" costar | 45 |
| William's "Thin Man" co-star | 42 |
| William's co-ruler | 22 |
| William's color | 19 |
| William's followers | 23 |
| William's fruit-of-the-loam | 31 |
| William's joint ruler | 25 |
| William's mother | 20 |
| William's mum | 17 |
| William's river | 19 |
| William's wife | 18 |
| William, Dick and Eleanor of filmdom | 36 |
| William, for one | 16 |
| William, in Dublin | 18 |
| William, to Charles | 19 |
| William, to Di | 14 |
| William, to Diana | 17 |
| William, who founded CBS | 24 |
| Williamette University site | 27 |
| Williams | 8 |
| Williams in Happy Days | 26 |
| Williams of Happy Days | 26 |
| Williams and Husing | 19 |
| Williams and Kennedy | 20 |
| Williams and Knight | 19 |
| Williams and Koppel | 19 |
| Williams and Lewis | 18 |
| Williams and Nugent | 19 |
| Williams and others | 19 |
| Williams and Ralston | 20 |