| 100% | RAINBOW | 7 | Lunar ___, natural phenomenon produced by moonlight in Zambia |
| 35% | METHANE | 7 | Natural gas produced by cow emissions |
| 35% | UNIONMADE | 9 | Produced by workers in organized labor |
| 35% | EARTHRISE | 9 | Natural phenomenon first witnessed in 1968 |
| 33% | LEPTIN | 6 | Hormone produced by fat cells in the body |
| 32% | DEMERARA | 8 | Natural brown sugar produced in Guyana |
| 32% | ICEBERG | 7 | Cold natural phenomenon that was the villain in "Titanic"? |
| 31% | HONEY | 5 | Natural sweetener produced by bees ... a healthier food switch for your daily diet! |
| 31% | NYLON | 5 | Strong polymer first produced by the DuPont firm in the 1930s |
| 31% | DTEN | 4 | Tank gun first produced by the Soviets in W.W. II |
| 30% | NEUTRINOS | 9 | They're produced in great quantities by supernovas |
| 30% | NEUTRINOS | 9 | Elementary particles produced in great quantities by supernovas |
| 30% | STORM | 5 | Windy and cold natural phenomenon that comes after the calm, in a saying |
| 29% | LANDSCAPE | 9 | Stage play by Harold Pinter first produced in 1969 |
| 29% | FLINTSTONES | 11 | "The ___," animated show produced by Hanna-Barbera about a family in the Stone Age |
| 29% | SALOME | 6 | Play by Oscar Wilde first produced in Paris in 1896 |
| 29% | MANON | 5 | Five-act opera by Jules Massenet first produced in 1884 |
| 28% | CLOUD | 5 | "Every ___ has a silver lining," idiom with a natural phenomenon that is used by optimists |
| 28% | JETSONS | 7 | "The ___," animated sitcom produced by Hanna-Barbera which is about a family in the future |
| 28% | MILK | 4 | CAUTION! Dairy product produced by cows that shouldn't be stored in a metal container |
| 28% | AFRO | 4 | Natural hairstyle, sported by the Supremes, that was common in the '70s |
| 28% | MARINE | 6 | Found in or produced by the sea |
| 28% | RATTLEOFA | 9 | & 2D Stage play by Charles Dyer first produced in Nottingham in 1962 |
| 28% | COPPELIA | 8 | Arthur Saint-Leon ballet with music by Delibes first produced in 1870 |
| 27% | THEMODSQUAD | 11 | TV series produced by Aaron Spelling in which hippies worked as undercover police (1968-1973): 3 wds. |
| 27% | MARINE | 6 | Found in, or produced by the sea |
| 27% | GLACIER | 7 | Cold natural phenomenon also called "river of ice" that you may see in the "Frozen II" movie |
| 27% | KORAORGANICS | 12 | Natural skincare and cosmetics company co-founded by supermodel Miranda Kerr in 2009: 2 wds. |
| 27% | COPPELIA | 8 | Arthur Saint-Leon ballet with music by Leo Delibes first produced in 1870 |