| 100% | TEXTBOOKS | 9 | The sources of information in a course |
| 58% | ROTC | 4 | Source of a deferment in the 1960s draft |
| 58% | PHONE | 5 | Source of a light in the darkness, perhaps |
| 58% | COMET | 5 | Source of the meteors in a meteor shower |
| 58% | TOASTER | 7 | Source of a burning smell in the kitchen, maybe |
| 58% | BEETS | 5 | Source of the "blood" in a meatless burger, maybe |
| 58% | LOTUSTREE | 9 | Source of a sleep-inducing narcotic in the "Odyssey" |
| 57% | ASK | 3 | To request information in the form of a question |
| 56% | ONTHEWAY | 8 | In the course of a journey (3 wds) |
| 55% | WIKIPEDIA | 9 | Online source of information whose name is a portmanteau of the Hawaiian word "wiki" and "encyclopedia" |
| 55% | YEW | 3 | Tree that was the source of the poison in Christie's A Pocket Full of Rye |
| 54% | TAP | 3 | Source of beer on a keg or source of water in the kitchen |
| 53% | LAYSOVER | 8 | Stops for a while in the course of a journey |
| 52% | LAYSOVER | 8 | Stops for a while in the course of a journey: 2 wds. |
| 52% | CLUE | 4 | Important piece of information in a mystery story |
| 52% | DATASET | 7 | Collection of information in a spreadsheet: 2 wds. |
| 51% | TAP | 3 | Source of water in a kitchen |
| 51% | SOAP | 4 | Source of foam in a bath |
| 51% | STOVE | 5 | Source of heat in a kitchen |
| 51% | ELM | 3 | Source of shade in a glade |
| 51% | TREE | 4 | Source of shade in a park |
| 51% | AHI | 3 | Source of protein in a poke bowl |
| 50% | SYLLABUS | 8 | Subjects in a course of study |
| 49% | NODE | 4 | The junction of veins in a body |
| 49% | RADIX | 5 | The main source; number in the base of a system |
| 49% | LOG | 3 | Enter information in a journal; cut of wood |
| 49% | STUFFING | 8 | The meaning of farce in a French restaurant |
| 49% | KRESGE | 6 | Source of the "K" in Kmart |
| 49% | YAK | 3 | Source of butter, in the Himalayas |
| 49% | SALTLICK | 8 | Source of sodium in the wild |