| 100% | NMI | 3 | Abbr. for someone with only two names |
| 77% | NMI | 3 | Abbr. for someone with only a first and last name |
| 65% | NMI | 3 | Abbr. for someone with a two-letter monogram |
| 62% | NMI | 3 | Abbr. for someone with just a first and last name |
| 62% | NMI | 3 | Abbr. for those with only one given name |
| 48% | IOWA | 4 | Only state name beginning with two vowels |
| 47% | REDHEAD | 7 | Another name for someone with auburn hair |
| 47% | IOWA | 4 | Only state whose name starts with two vowels |
| 47% | BARB | 4 | Good name for someone with a sharp tongue? |
| 47% | TIME | 4 | With 1-Down, company named for two magazines |
| 46% | LUCIA | 5 | Saint __, one of the only two sovereign nations named for women |
| 45% | SNAKEEYES | 9 | Another name for rolling two ones with dice |
| 44% | NMI | 3 | Abbr. for two-name people |
| 44% | IOWA | 4 | The only US state whose name starts with two vowels |
| 42% | LINC | 4 | Nickname for someone who shares a name with the 16th president |
| 41% | EITHEROR | 8 | Situation with only two options |
| 41% | AROD | 4 | Nickname of the only player named MLB MVP for two different fielding positions with two different teams (Texas Rangers/shortstop, New York Yankees/third base) (Hyph.) |
| 41% | BINARY | 6 | Number system with only two symbols |
| 41% | NEPAL | 5 | Landlocked land with only two neighbors |
| 41% | ANTI | 4 | Prefix for someone with opposing beliefs |
| 41% | NASAL | 5 | Spray for someone with a cold |
| 41% | SOUP | 4 | Ideal meal for someone with cold |
| 41% | REST | 4 | Recommendation for someone with sleep debt |
| 41% | DEADEYE | 7 | Nickname for someone with great aim |
| 41% | PLANE | 5 | Nervous place for someone with aerophobia |
| 41% | HOTGLUEGUN | 10 | Tool for someone with attachment issues |
| 40% | PASSFAIL | 8 | Grading system with only two options: Hyph. |
| 40% | YESNO | 5 | Kind of question with only two answers |
| 40% | RONDEL | 6 | 14-line poem with only two rhymes |
| 40% | YESNO | 5 | Question type with only two answers (Hyph.) |