| 100% | DUAL | 4 | Having two parts or aspects |
| 58% | DUAL | 4 | Having two parts |
| 58% | DUPLE | 5 | Having two parts |
| 49% | VERSES | 6 | Most numbers have two or more |
| 49% | SCALE | 5 | What the four longest Across answers each have two parts of |
| 49% | NORM | 4 | Having two or three kids in a family, nowadays |
| 49% | BICUSPID | 8 | Having two cusps or points (especially a molar tooth) |
| 48% | POLYGYNY | 8 | When someone has two or more wives |
| 48% | BILATERAL | 9 | Having or involving two sides |
| 47% | POLO | 4 | Shirt type typically having two or three buttons |
| 47% | BIVALENT | 8 | Having or exhibiting two different valences |
| 46% | NOSH | 4 | Have a nibble or two |
| 46% | LEAFY | 5 | Having lots of green tree or plant parts |
| 45% | HALVES | 6 | Two equal or nearly equal parts of a whole |
| 45% | BOXCARS | 7 | Parts of a train, or two sixes in craps |
| 44% | BUTTONHOOK | 10 | Turnaround pass play, or two phone parts |
| 44% | ENTREE | 6 | It may have one or two sides |
| 43% | CAMEL | 5 | Animal that could have one or two humps |
| 42% | KILLBILL | 8 | 2003-2004 Tarantino film released in two parts, or a 2023 song by SZA: 2 wds. |
| 42% | CRICKET | 7 | Game in which each team has one or two innings |
| 42% | HEEL | 4 | Shoe part that may be two or four inches long |
| 41% | CAMEL | 5 | It has one hump or two |
| 41% | PREDICATE | 9 | One of two main parts of a sentence; has a verb |
| 40% | MULTI | 5 | *Having two or more legislative representatives |
| 40% | ERS | 3 | Hosp. parts ... or what the answers to the six starred clues each have twice |
| 40% | SPOUT | 5 | Teapot part ... or a two-word hint to 16-, 25-, 43- and 59-Across |
| 39% | BONES | 5 | Skeleton parts ... or something an Arabian breed of 44a has fewer of than other breeds |
| 39% | IMBIBE | 6 | Have a cocktail (or two) |
| 39% | DIODE | 5 | Laser pointer part (it has two terminals) |
| 38% | STRAW | 5 | Drinking implement that has either one hole or two, depending on who you ask |