| 100% | OBSESS | 6 | Think about only one thing |
| 54% | STRAWMANFALLACY | 15 | "Scarecrow thinks the only thing one needs is a brain. Not so!" |
| 51% | IVE | 3 | "___ been thinking about things ..." |
| 50% | SLEEPSONIT | 10 | Thinks about things for a few days |
| 49% | CELL | 4 | The one thing about an amoeba |
| 48% | ISITME | 6 | "Am I the only one thinking this ...?" |
| 48% | ISITME | 6 | "Am I the only one thinking this?" |
| 48% | ISITME | 6 | "Am I the only one thinking this...?" |
| 47% | IDEAS | 5 | Things to think about |
| 46% | BORE | 4 | One who talks only about himself, say |
| 46% | LESS | 4 | "That's one ___ thing to worry about" |
| 46% | ONTASK | 6 | Thinking only about the job at hand |
| 46% | AMI | 3 | "___ the only one who thinks this is a bad idea?" |
| 46% | AMI | 3 | "___ the only one who thinks this is funny?" (2 wds.) |
| 46% | ATTITUDE | 8 | Way of thinking about something; a positive one is best |
| 45% | ALCHEMISTS | 10 | Ones who think things are good as gold? |
| 45% | SNOB | 4 | One who prefers only the highest-priced things, say |
| 44% | HIMSELF | 7 | "He only thinks about ___" (Selfish) |
| 44% | EYES | 4 | Only about one-sixth of these in humans is visible |
| 44% | NEWFEARUNLOCKED | 15 | "Great, one more thing to be terrified about" |
| 43% | IVAN | 4 | "The One and Only ___" (2020 movie about a gorilla) |
| 42% | IVAN | 4 | The One and Only ___ (children's book about a gorilla) |
| 42% | PRESENTSOFMIND | 14 | Gifts you only think about giving? |
| 42% | DEVELOPER | 9 | One with lots to think about |
| 42% | DEVELOPER | 9 | One with lots to think about? |
| 41% | IMAGINARY | 9 | A thing or person that only exists in one's mind |
| 41% | ITCAN | 5 | "___ only mean one thing": 2 wds. |
| 39% | PONDER | 6 | Think about |
| 39% | SLEEPON | 7 | Think about |
| 39% | CONSIDER | 8 | Think about |