| 100% | LOTUSTREE | 9 | Source of a sleep-inducing narcotic in the "Odyssey" |
| 58% | LOTUSEATER | 10 | Consumer of a certain narcotic plant, in the Odyssey |
| 58% | ROTC | 4 | Source of a deferment in the 1960s draft |
| 58% | PHONE | 5 | Source of a light in the darkness, perhaps |
| 57% | TOASTER | 7 | Source of a burning smell in the kitchen, maybe |
| 55% | COMET | 5 | Source of the meteors in a meteor shower |
| 54% | APES | 4 | Extras in the opening of "2001: A Space Odyssey" |
| 54% | BEETS | 5 | Source of the "blood" in a meatless burger, maybe |
| 53% | TEXTBOOKS | 9 | The sources of information in a course |
| 52% | TAP | 3 | Source of beer on a keg or source of water in the kitchen |
| 52% | APE | 3 | Bone smasher in the opening scene of "2001: A Space Odyssey" |
| 51% | DAVE | 4 | Only character shown in the final 30 minutes of "2001: A Space Odyssey" |
| 50% | POSEIDON | 8 | Cause of a ten-year delay in the Odyssey |
| 49% | LAKE | 4 | ___ Victoria, waterbody in the Tanzanian and Ugandan forests that is a source of the Nile |
| 49% | GUAYULE | 7 | Bushy shrub in the aster family of Mexico and the southwestern US; a source of latex |
| 48% | LITTLEBIRD | 10 | Source of a secret, in a phrase |
| 48% | SHEANUT | 7 | Source of a butter used in moisturizers |
| 47% | EGRET | 5 | Source of a feather in one's cap? |
| 47% | RADIX | 5 | The main source; number in the base of a system |
| 46% | SKYCAM | 6 | Source of a bird's-eye view in football |
| 46% | AAA | 3 | Source of a motel discount, in brief |
| 46% | KRESGE | 6 | Source of the "K" in Kmart |
| 46% | YAK | 3 | Source of butter, in the Himalayas |
| 46% | SALTLICK | 8 | Source of sodium in the wild |
| 46% | JUNGLEBELLS | 11 | Source of music in the Amazon? |
| 46% | TAP | 3 | Source of water in a kitchen |
| 46% | SOAP | 4 | Source of foam in a bath |
| 46% | STOVE | 5 | Source of heat in a kitchen |
| 46% | ELM | 3 | Source of shade in a glade |
| 46% | TREE | 4 | Source of shade in a park |