| Butterfly's "Un bel di" | 37 |
| Butterfly's belt? | 21 |
| Butterfly's beverage | 24 |
| Butterfly's burst of song | 29 |
| Butterfly's case | 20 |
| Butterfly's cousin | 22 |
| Butterfly's perch | 21 |
| Butterfly's relative | 24 |
| Butterfly's sash | 20 |
| Butterfly's sashes | 22 |
| Butterfly's title | 21 |
| Butterfly, abroad | 17 |
| Butterfly, and others | 21 |
| Butterfly, backstroke, breaststroke, and freestyle? | 51 |
| Butterfly, Beetle and cricket | 29 |
| Butterfly, e.g. | 15 |
| Butterfly, e.g.: Abbr. | 22 |
| Butterfly, for one | 18 |
| Butterfly, for one (abbr.) | 26 |
| Butterfly, formerly | 19 |
| Butterfly, once | 15 |
| Butterfly-catcher's gear | 28 |
| Butterfly-catching device | 25 |
| Butterfly? | 10 |
| Butterhead, e.g. | 16 |
| Butterine | 9 |
| Butterine, in England | 21 |
| Butterlike | 10 |
| Butterlike product | 18 |
| Butterlike products | 19 |
| Butterlike spread | 17 |
| Butterlike spreads | 18 |
| Butterlike substance used in cooking and soaps | 46 |
| Buttermilk accompanier | 22 |
| Buttermilk holder | 17 |
| Buttermilk morsel? | 18 |
| Buttermilk rider Dale | 21 |
| Buttermilk's companion | 26 |
| Buttermilk's load | 21 |
| Buttermilk's rider | 22 |
| Buttermilk's stablemate | 27 |
| Buttermilk, e.g. | 16 |
| Butternut | 9 |
| Butternut squash | 16 |
| Butternut, e.g. | 15 |
| Butters | 7 |
| Butters at Christmas time? | 26 |
| Butters up | 10 |
| Butters up? | 11 |
| Butters used to fry paneer | 26 |
| Butters? | 8 |
| Butterscotch | 12 |
| Butterworth's title | 23 |
| Butterworth, for one | 20 |
| Butterworts | 11 |
| Buttery | 7 |
| Buttery and creamy, as pastry | 29 |
| Buttery bakery buy | 18 |
| Buttery bun | 11 |
| Buttery cracker | 15 |
| Buttery dessert | 15 |
| Buttery Italian cheese | 22 |
| Buttery lobster preparation | 27 |
| Buttery rice preparation | 24 |
| Buttery sub | 11 |
| Buttery, maybe | 14 |
| Buttes | 6 |
| Buttes' cousins | 19 |
| Buttes' kin | 15 |
| Buttes' relatives | 21 |
| Buttes-Chaumont or Monceau | 26 |
| Butthole Surfers lead singer Gibby | 34 |
| Butthole Surfers singer Gibby | 29 |
| Butting bighorn | 15 |
| Butting heads | 13 |
| Butting heads, charging other sheep, etc.? | 42 |
| Butting in when one shouldn't | 33 |
| Buttinski's specialty | 25 |
| Buttinskies | 11 |
| Buttinskies of a sort | 21 |
| Buttinskis | 10 |
| Buttinsky | 9 |
| Buttinsky, e.g. | 15 |
| Buttock | 7 |
| Buttock muscle | 14 |
| Buttock muscle, informally | 26 |
| Buttocks | 8 |
| Buttocks muscle | 15 |
| Buttocks muscles | 16 |
| Buttocks, in slang | 18 |
| Buttocks, informally | 20 |
| Button abbr. on a scientific calculator | 39 |
| Button alternative | 18 |
| Button and others | 17 |
| Button base | 11 |
| Button below the 7 | 18 |
| Button below the 8 | 18 |
| Button below TUV | 16 |
| Button between and # | 21 |
| Button for a bowler | 19 |