| Billions of years, geologically | 31 |
| Billionth: Comb. form | 21 |
| Billionth: Pref. | 16 |
| Billionth: Prefix | 17 |
| Billow | 6 |
| Billow, at Brest | 16 |
| Billow, in Breton | 17 |
| Billow, in Paris | 16 |
| Billow, in Spain | 16 |
| Billower on a pole | 18 |
| Billowing garment | 17 |
| Billows | 7 |
| Billowy boomer | 14 |
| Billowy, ominous boomer | 23 |
| Bills | 5 |
| Bills ... column ... binary code | 32 |
| Bills and catalogues? | 21 |
| Bills and coins | 15 |
| Bills and this puzzle's theme | 33 |
| Bills and ___ | 13 |
| Bills are in it: Abbr. | 22 |
| Bills at bars | 13 |
| Bills bearing Jackson's likeness | 36 |
| Bills collector | 15 |
| Bills conf. | 11 |
| Bills deeds: Abbr. | 18 |
| Bills depicting pyramids | 24 |
| Bills depicting the U.S. Treasury | 33 |
| Bills depicting Trumbull's "Declaration of Independence" | 70 |
| Bills displaying the U.S. Treasury building | 43 |
| Bills featuring Alexander Hamilton's portrait | 49 |
| Bills featuring Ben | 19 |
| Bills featuring Franklin, informally | 36 |
| Bills featuring G.W. | 20 |
| Bills featuring Hamilton | 24 |
| Bills featuring Sir John | 24 |
| Bills featuring the Great Seal | 30 |
| Bills featuring the Treasury | 28 |
| Bills featuring the US Treasury | 31 |
| Bills for cheap things | 22 |
| Bills for drinks | 16 |
| Bills for vending machines | 26 |
| Bills from tills | 16 |
| Bills group | 11 |
| Bills in some tills | 19 |
| Bills in tills | 14 |
| Bills inserted into vending machines | 36 |
| Bills jocularly called "Hamiltons" | 44 |
| Bills manager, for short | 24 |
| Bills not found in ATMs | 23 |
| Bills not in ATMs | 17 |
| Bills not stocked in A.T.M.'s | 33 |
| Bills of fare | 13 |
| Bills often passed | 18 |
| Bills on birds | 14 |
| Bills only | 10 |
| Bills or church groups | 22 |
| Bills paid in Italy | 19 |
| Bills paid in Italy, once | 25 |
| Bills passed by all Congressmen | 31 |
| Bills passed illegally | 22 |
| Bills passed in D.C. and elsewhere | 34 |
| Bills perused by shoppers, perhaps | 34 |
| Bills progress measurer | 23 |
| Bills quarterback great Jack | 28 |
| Bills require them | 18 |
| Bills seldom passed | 19 |
| Bills stats: Abbr. | 18 |
| Bills that are tough to pass | 28 |
| Bills that pay few bills | 24 |
| Bills to pay | 12 |
| Bills with Franklin on them | 27 |
| Bills with George on them | 25 |
| Bills with Hamilton on them | 27 |
| Bills with Hamilton's portrait | 34 |
| Bills with pyramids | 19 |
| Bills with Washington on them | 29 |
| Bills you might break 20s into | 30 |
| Bills' cousin | 17 |
| Bills' partner | 18 |
| Bills' rivals | 17 |
| Bills, circulars, etc. | 22 |
| Bills, e.g. | 11 |
| Bills, in Peru | 14 |
| Billy | 5 |
| Billy and mate | 15 |
| Billy + Lucille | 15 |
| Billy -- Williams | 17 |
| Billy a.k.a. the Piano Man | 26 |
| Billy and Lucille | 17 |
| Billy and Lucille create a seer's sphere? | 45 |
| Billy and Martha | 16 |
| Billy and nanny | 15 |
| Billy and Otto | 14 |
| Billy and Robin's "Comic Relief" colleague | 56 |
| Billy and Stephen's brother | 31 |
| Billy and Sundance | 18 |
| Billy and the kids? | 19 |
| Billy Beane's team | 22 |
| Billy Blanks crunches them | 26 |