| 100% | DUO | 3 | Two of same type |
| 65% | DYAD | 4 | Two of the same |
| 64% | DOUBLE | 6 | Two of the same thing |
| 62% | SUCHLIKE | 8 | Of the same type |
| 59% | OCTAVE | 6 | Stretch between two of the same note |
| 59% | ILK | 3 | Of the same ___ (similar type) |
| 59% | YESNO | 5 | Type of two-choice question |
| 59% | TUXEDO | 6 | Two-toned type of cat |
| 58% | BRACE | 5 | Two items of the same kind |
| 58% | BACTRIAN | 8 | Type of camel with two humps |
| 58% | DIHEDRAL | 8 | Type of angle between two planes |
| 58% | AUTOMATIC | 9 | Two types of cars: manual and __ |
| 57% | ILK | 3 | Of the same ___ (of a similar type) |
| 57% | BICUSPID | 8 | Type of premolar tooth with two points |
| 57% | TRUEFALSE | 9 | Type of question with two possible answers |
| 57% | COMPOUND | 8 | Type of sentence with two independent clauses |
| 56% | KIDNEY | 6 | Humans have two of this organ; curved type of bean |
| 56% | BIKINI | 6 | Type of two-piece swimwear worn by females |
| 56% | YESNO | 5 | Type of question with only two answers (Hyph.) |
| 55% | YESNO | 5 | Type of question with only two possible answers: Hyph. |
| 55% | YESNO | 5 | Type of question with two unambiguous possible responses: Hyph. |
| 55% | KITTEN | 6 | Type of thin heel, usually shorter than two inches |
| 55% | CANNED | 6 | Two types of typical dog food, dry and this |
| 54% | AFRICAN | 7 | The two types of elephants: Asian and __ |
| 54% | BACTRIAN | 8 | These types of camels have two humps |
| 54% | APART | 5 | "I can't tell the two of you ___!" ("You look the same!") |
| 54% | COUPLET | 7 | Two lines of poetry with the same rhythm and rhyme |
| 54% | CODEBTOR | 8 | One of two who owe the same money |
| 53% | SCULLING | 8 | Specific type of rowing with two oars each |
| 53% | NICE | 4 | One of two types of children, to Santa |