| 100% | ISOMER | 6 | Same formula, different properties |
| 57% | ISOMERS | 7 | Molecules with the same chemical formula but different structures |
| 47% | AKIN | 4 | Having the same properties |
| 44% | UNLIKE | 6 | Different, not the same |
| 43% | SEPARATE | 8 | Different, not the same, distinct |
| 43% | ISOMER | 6 | Same elements, different atom arrangements |
| 42% | AVE | 3 | Any of 17 different properties in Monopoly: Abbr. |
| 42% | HOMONYMS | 8 | Same spelling/pronunciation, but different meaning |
| 42% | ISOTOPES | 8 | Same number of protons, different neutrons |
| 42% | EDITIONS | 8 | Different versions of the same book |
| 40% | HOMOPHONE | 9 | Same sound, different meanings, e.g. be, bee |
| 40% | ILK | 3 | Of the same ___ (not too different) |
| 39% | RESAT | 5 | Took same exam, different rates |
| 38% | RENTS | 5 | Most Monopoly properties have six different ones |
| 38% | ISOMER | 6 | Molecule with similar formula but different structure |
| 38% | HOMONYM | 7 | Word with same spelling but different meaning |
| 37% | ISOMER | 6 | Molecule with the same chemical formula as another |
| 37% | SYNONYMS | 8 | Two different words that mean the same thing |
| 37% | ISOMER | 6 | Compound of same molecule weight, different atom arrangement |
| 37% | ADD | 3 | ___ up to the same thing (be no different) |
| 36% | CANONS | 6 | Pieces with the same melody starting at different times |
| 36% | CELESTIAL | 9 | __ Twins, born on the same day but different years |
| 36% | ISOMER | 6 | Compound with the same atoms in a different arrangement |
| 34% | ISBN | 4 | ID that's different for different editions of the same book |
| 34% | ISOMER | 6 | Compound with the same number of atoms in a different arrangement |
| 34% | BALTIC | 6 | ___ Avenue (Monopoly property in the same color group as Mediterranean Avenue) |
| 33% | WORLDS | 6 | "Best of both ___" (to enjoy two different opportunities at the same time) |
| 32% | RUT | 3 | "Same stuff, different day" routine |
| 32% | EDASNER | 7 | Actor who won Emmys for playing the same character on two different shows |
| 32% | ASNER | 5 | Ed who won Emmys for playing the same character on two different shows |