| 100% | SHARP | 5 | The "#" of F# |
| 90% | FAR | 3 | The F of AFAIK |
| 87% | UNSANITARY | 10 | F, to the Board of Health |
| 87% | ESHARP | 6 | F, by the sound of it |
| 86% | MASS | 4 | The "m" of F = ma |
| 85% | FOOD | 4 | The "F" of F.D.A. |
| 85% | FEDERAL | 7 | The "F" of F.B.I. |
| 85% | DRUG | 4 | The "D" of F.D.A. |
| 85% | BUREAU | 6 | The "B" of F.B.I. |
| 85% | CLUB | 4 | The "C" of F.C. Barcelona |
| 83% | ABSCAM | 6 | F.B.I. scandal of the 1970s-'80s |
| 83% | FREEH | 5 | Louis of the F.B.I. |
| 82% | ACKIE | 5 | “The End of the F***ing World” actress Naomi |
| 82% | ABSCAM | 6 | F.B.I. sting of the late 70's |
| 82% | HOOVERSION | 10 | F.B.I. director's side of the story? |
| 82% | INFO | 4 | The "I" of F.Y.I., for short |
| 82% | INFO | 4 | The "I" of F.Y.I, for short |
| 82% | ABSCAM | 6 | Sheikh-down of the F.B.I.? |
| 81% | INITS | 5 | The "F" and "B" of Samuel F. B. Morse, e.g.: Abbr. |
| 80% | SERIESE | 7 | F.D.R. purchased the first one of these bonds |
| 80% | ANSTEY | 6 | F —, author of novels The Tinted Venus and Vice Versa |
| 80% | CGI | 3 | Much of the F/X in the MCU |
| 80% | TOMCAT | 6 | Feline nickname of the F-14 jet fighter |
| 79% | ANSTEY | 6 | F —, English author of novels The Tinted Venus and Vice Versa |
| 78% | JAMES | 5 | With 6-Across, director of the F.B.I. |
| 78% | KENNEDY | 7 | John F —, president of the US from 1961-63 |
| 78% | NET | 3 | ___ neutrality, topic of importance to the F.C.C. |
| 77% | ANSTEY | 6 | F —, English author of the novels The Tinted Venus and Vice Versa |
| 77% | ANSTEY | 6 | F -, English author of the novels The Tinted Venus and Vice Versa |
| 77% | EDGES | 5 | What the "E" of Euler's formula V - E + F = 2 represents |