| __-de-lance: pit viper | 22 |
| _____ a cheval (horseshoe) | 26 |
| Undomesticated, as cats | 23 |
| Queen Isabella's husband | 28 |
| Columbus' patron king | 25 |
| Prince Andrew's ex | 22 |
| Duchess of York, commonly | 25 |
| Black Eyed Peas vocalist | 24 |
| Black Eyed Peas singer | 22 |
| Changes sugar to alcohol | 24 |
| Manhattan Project physicist | 27 |
| Atomic physicist Enrico | 23 |
| Nuclear pioneer Enrico | 22 |
| Manhattan Project notable | 25 |
| Atom-splitting Nobelist | 23 |
| Nuclear physicist Enrico | 24 |
| Nobelist in Physics: 1938 | 25 |
| Chain reaction pioneer | 22 |
| Physics Nobelist Enrico | 23 |
| Noted Italian physicist | 23 |
| Manhattan Project member | 24 |
| Famed physicist from Rome | 25 |
| Famed Italian physicist | 23 |
| Famed atomic physicist | 22 |
| Element #100 is named for him | 29 |
| Big name in nuclear physics | 27 |
| Water-loving houseplant | 23 |
| Flowerless decorative plant | 27 |
| Terrarium plant, perhaps | 24 |
| Plant with triangular fronds | 28 |
| Crayola color since 1998 | 24 |
| Common office decoration | 24 |
| Bit of office greenery | 22 |
| Seedless, flowerless plant | 26 |
| Pteridologist's specimen | 28 |
| Plant with fiddleheads | 22 |
| Non-flowering office staple | 27 |
| Green in a vase, perhaps | 24 |
| Flowerless, seedless plant | 26 |
| Common green house gift | 23 |
| Adder's-tongue, e.g. | 24 |
| "Frondly" plant? | 26 |
| Spore-producing plants | 22 |
| Seedless greenhouse denizens | 28 |
| Plants that don't flower | 28 |
| Moonworts, for example | 22 |
| Flowerless house plants | 23 |
| Teicher's piano partner | 27 |
| Its logo is a rearing horse | 27 |
| Maker of the Enzo supercar | 26 |
| Classic Italian sports car | 26 |
| Uncover, with "out" | 29 |
| Domesticated European polecat | 29 |
| Containing trivalent iron | 25 |
| Amusement ride inventor | 23 |
| Midway's big wheel | 22 |
| Columbian Exposition engineer | 29 |
| Carnival-wheel inventor | 23 |
| Big wheel at the carnival | 25 |
| ___ Bueller, Broderick role | 27 |
| Amusement park attraction | 25 |
| Amusement debut of 1893 | 23 |
| Charon's transport | 22 |
| Transport, as across a river | 28 |
| Staten Island or Dobbs | 22 |
| One way to Staten Island | 24 |
| One way off of Staten Island | 28 |
| Area of early civilization | 26 |
| Admit, with "up" | 26 |
| Spill, with "up" | 26 |
| Concede, with "up" | 28 |
| Parker who played Boone | 23 |
| Boone portrayer Parker | 22 |
| Parker who played Crockett | 26 |
| Come clean, with “up” | 29 |
| Tell all, with "up" | 29 |
| Spill it, with "up" | 29 |
| He played Davy and Daniel | 25 |
| He played Davy and Dan'l | 28 |
| Crockett player Parker | 22 |
| Cop to, with "up" | 27 |
| Concede (with "up") | 29 |
| Admit, with 'up' | 24 |
| Admit colloquially with up | 28 |
| ___ up (squeal on oneself) | 26 |
| ___ up (spill the beans) | 24 |
| __ up (admit the truth) | 23 |
| Suffix with gab or slug | 23 |
| Slug or song attachment | 23 |
| Ending for song or slug | 23 |
| Suffix with slug or song | 24 |
| Suffix with gab or song | 23 |
| Suffix after song or snooze | 27 |
| Music gathering, perhaps | 24 |
| Word with song or slug | 22 |
| Word with gab or October | 24 |
| Suffix with song or slug | 24 |
| Suffix with song or gab | 23 |
| Suffix with Oktober or Ozz | 26 |
| Suffix with beer or fun | 23 |