| 100% | SUA | 3 | ___ sponte (of its own accord) |
| 96% | SUA | 3 | ___ sponte (of its own accord, at law) |
| 64% | BIO | 3 | Thing with a life of its own? |
| 64% | COWLICK | 7 | Hair with a mind of its own |
| 62% | NCIS | 4 | Spinoff series with two spinoffs of its own |
| 61% | STAR | 4 | Heavenly body that emits the light of its own |
| 61% | NCIS | 4 | Long-running “JAG” spinoff with spinoffs of its own |
| 61% | THINKINGCLOUD | 13 | Cirrus or cumulus having a mind of its own? |
| 60% | IVIES | 5 | School group that's in a league of its own |
| 60% | CANNIBAL | 8 | Animal that feeds on the flesh of its own kind |
| 59% | SOUP | 4 | Meal with its own type of spoon |
| 59% | FREELY | 6 | Of one's own accord |
| 58% | SAMOA | 5 | About 90% of its land is owned communally |
| 57% | YALE | 4 | Ivy League school with its own shade of blue |
| 56% | THELOVEBUG | 10 | Disney film starring a Volkswagen Beetle with a mind of its own (3 wds.) |
| 54% | IDAHO | 5 | Over three-fifths of its land is owned by the federal government |
| 53% | CODE | 4 | Zip ___, address identification number that the Empire State Building has its own of |
| 53% | ARKANSAS | 8 | State whose name is its own abbreviation plus the name of another state |
| 52% | ACQUIRE | 7 | Get hold of something and make it your own |
| 52% | PHOENIX | 7 | Mythical bird that rises from its own ashes (or the capital of 51-Across) |
| 51% | SERTA | 5 | "A champion of comfort for all," according to its website |
| 51% | BODY | 4 | It has a silent language of its own |
| 50% | SELFRULE | 8 | Act of choosing its own government (hyphenated) |
| 48% | KIA | 3 | Hyundai owns a piece of it |
| 47% | AUTOTROPH | 9 | Organism capable of producing its own food |
| 47% | ONE | 3 | Its own square |
| 46% | ISRAEL | 6 | Country that, according to its tourist bureau, has the highest number of museums per capita |
| 46% | VIRTUE | 6 | Its own reward, proverbially |
| 45% | HUD | 3 | It owns Ginnie Mae |
| 44% | ONLY | 4 | On its own |