| 100% | BOAST | 5 | "I'm king of the world!," e.g. |
| 66% | TITLE | 5 | Heavyweight champion of the world, e.g. |
| 66% | TITLE | 5 | Featherweight champion of the world, e.g. |
| 62% | SEPTET | 6 | The Wonders of the World, e.g. |
| 62% | DYSTOPIA | 8 | The world of "Ready Player One," e.g. |
| 62% | ETS | 3 | "The War of the Worlds" foes, e.g. |
| 60% | RADIOPLAY | 9 | 1938's "The War of the Worlds," e.g. |
| 59% | TOP | 3 | "I'm on ___ of the world!" |
| 59% | DON | 3 | King of the boxing world |
| 57% | PROW | 4 | Where Jack yells "I'm the king of the world!" in "Titanic" |
| 57% | LEMUR | 5 | King Julien of the "Madagascar" films, e.g. |
| 57% | APE | 3 | King Louie of The Jungle Book, e.g. |
| 56% | SCIENCE | 7 | Study of the natural world, e.g. physics |
| 56% | ALIBI | 5 | "I was out of the country," e.g. |
| 55% | SID | 3 | Caesar in “History of the World, Part I” |
| 55% | DOM | 3 | "History of the World, Part I" actor DeLuise |
| 55% | END | 3 | "Its the ___ of the World as We Know It (And I Feel Fine)" (R.E.M. song) |
| 54% | EARTH | 5 | I'm one of the classical elements who is associated with qualities of matter and the terrestrial world |
| 54% | ASWE | 4 | "It's the End of the World ___ Know It (And I Feel Fine)" (R.E.M. song) |
| 54% | LAHR | 4 | "If I were king of the forest ..." singer |
| 54% | YUL | 3 | Brynner of The King and I" |
| 53% | RUNESCAPE | 9 | M.M.O.R.P.G. set in the fantasy world of Gielinor |
| 53% | HAMMER | 6 | __ of the Scots: nickname of King Edward I |
| 53% | LAHR | 4 | ''If I Were King of the Forest'' singer |
| 53% | MASS | 4 | The m of E = mc² |
| 52% | SAMCOOKE | 8 | King of Soul, sang You Send Me and Wonderful World |
| 52% | ASWE | 4 | "It's the End of the World ___ Know It (And I Feel Fine)" (R.E.M. song): 2 wds. |
| 52% | CMLI | 4 | Year Otto I became king of the Lombards |
| 52% | LIONHEART | 9 | The epithet of King Richard I |
| 52% | MONGKUT | 7 | Name of the king in The King and I |