| Flatow who hosts NPR's "Science Friday" | 53 |
| Flatow or Glass of radio | 24 |
| Flatow or Glass of public radio | 31 |
| Flatow of NPR | 13 |
| Flatness exemplar | 17 |
| Flatness archetype | 18 |
| Flatmate | 8 |
| Flatly: Prefix | 14 |
| Flatline indicator: Abbr. | 25 |
| Flatley dances | 14 |
| Flatland | 8 |
| Flatiron parts | 14 |
| Flathead, for one | 17 |
| Flathead River dam | 18 |
| Flathead Indians' home | 26 |
| Flatfoots | 9 |
| Flatfoot's relative | 23 |
| Flatfoot's lack | 19 |
| Flatfoot's collar | 21 |
| Flatfoot's circuit | 22 |
| Flatfoot's badge material | 29 |
| Flatfoot's accomplishment | 29 |
| Flatfoot | 8 |
| Flatfishes | 10 |
| Flatfish varieties | 18 |
| Flatfish type | 13 |
| Flatfish often served pan-seared | 32 |
| Flatfish group | 14 |
| Flatfish genus | 14 |
| Flatfish dish | 13 |
| Flatfish | 8 |
| Flatbush hero of yore | 21 |
| Flatbush and others | 19 |
| Flatbread type | 14 |
| Flatbread snack dipped in hummus, often | 39 |
| Flatbread of India | 18 |
| Flatbread | 9 |
| Flatbottom boat | 15 |
| Flatboats | 9 |
| Flatboat | 8 |
| Flat; level | 11 |
| Flat: Prefix | 12 |
| Flat: Comb. form | 16 |
| Flat: Abbr. | 11 |
| Flat-topped topography | 22 |
| Flat-topped tableland | 21 |
| Flat-topped Southwestern hills | 30 |
| Flat-topped rise | 16 |
| Flat-topped mountain | 20 |
| Flat-topped lands | 17 |
| Flat-topped land feature | 24 |
| Flat-topped land elevation | 26 |
| Flat-topped land | 16 |
| Flat-topped hills | 17 |
| Flat-topped hill | 16 |
| Flat-topped hat | 15 |
| Flat-topped formations | 22 |
| Flat-topped formation | 21 |
| Flat-topped flower cluster | 26 |
| Flat-topped elevations | 22 |
| Flat-topped elevation | 21 |
| Flat-topped desert sights | 25 |
| Flat-top straw hat | 18 |
| Flat-top mound | 14 |
| Flat-top hill | 13 |
| Flat-top hat | 12 |
| Flat-tasting | 12 |
| Flat-soled house slipper | 24 |
| Flat-screen variety | 19 |
| Flat-screen TV choice | 21 |
| Flat-screen predecessors | 24 |
| Flat-screen predecessor, for short | 34 |
| Flat-screen precursors, for short | 33 |
| Flat-screen ancestors | 21 |
| Flat-screen ancestor: Abbr. | 27 |
| Flat-screen ancestor | 20 |
| Flat-renting 'Simpsons' sister? | 39 |
| Flat-rate agreement? | 20 |
| Flat-piled rug | 14 |
| Flat-pancake filler | 19 |
| Flat-package furniture furnisher | 32 |
| Flat-pack design pioneer | 24 |
| Flat-nosed pooch, briefly | 25 |
| Flat-nosed pooch | 16 |
| Flat-nosed dogs | 15 |
| Flat-nosed dog | 14 |
| Flat-nosed antelope | 19 |
| Flat-leafed perennial | 21 |
| Flat-headed tool | 16 |
| Flat-headed nail | 16 |
| Flat-headed fastener, or Tiger's helpers | 44 |
| Flat-headed fastener | 20 |
| Flat-handed blows | 17 |
| Flat-fixing tool | 16 |
| Flat-fixing org. | 16 |
| Flat-felled or French follower | 30 |
| Flat-faced flyer | 16 |
| Flat-faced entryway | 19 |
| Flat-faced canines | 18 |
| Flat-faced bird of prey | 23 |