| 100% | ISOMER | 6 | Same elements, different atom arrangements |
| 64% | ISOMER | 6 | Compound with the same atoms in a different arrangement |
| 60% | ISOMER | 6 | Compound of same molecule weight, different atom arrangement |
| 59% | ISOMER | 6 | Similar compound with different atom arrangement |
| 54% | ISOMER | 6 | Compound with the same number of atoms in a different arrangement |
| 47% | ISOTOPE | 7 | 2 atoms of 1 element with different neutron count |
| 40% | ISOTOPE | 7 | One of two or more atoms with the same atomic number that contain different numbers of neutrons |
| 39% | ISOTONE | 7 | One of a group of atoms having the same number of neutrons but a different number of protons |
| 39% | ISOTONE | 7 | Either of two species of atoms with the same number of neutrons and a different number of protons |
| 37% | ISOMER | 6 | Same formula, different properties |
| 37% | UNLIKE | 6 | Different, not the same |
| 36% | SEPARATE | 8 | Different, not the same, distinct |
| 35% | HOMONYMS | 8 | Same spelling/pronunciation, but different meaning |
| 35% | ISOTOPES | 8 | Same number of protons, different neutrons |
| 35% | EDITIONS | 8 | Different versions of the same book |
| 35% | COALESCE | 8 | Mix together different elements |
| 34% | ISOTOPES | 8 | Atoms with the same number of protons |
| 34% | ABSTRACT | 8 | Emotions through different elements, __ art |
| 34% | AMA | 3 | Mixture of different elements: ___lgam |
| 34% | HETEROGENOUS | 12 | Consisting of many different elements |
| 34% | LATTICE | 7 | Arrangement of atoms in a crystal structure |
| 33% | HOMOPHONE | 9 | Same sound, different meanings, e.g. be, bee |
| 33% | ISOTONES | 8 | Atoms that have the same number of neutrons |
| 33% | ILK | 3 | Of the same ___ (not too different) |
| 33% | CHEM | 4 | Subj. that covers atoms and elements |
| 33% | ISOMERS | 7 | Compounds with same atoms differently arranged |
| 33% | RESAT | 5 | Took same exam, different rates |
| 32% | HOMONYM | 7 | Word with same spelling but different meaning |
| 32% | RENTSTRIKE | 10 | Protest seeking a different arrangement with landlords |
| 31% | SYNONYMS | 8 | Two different words that mean the same thing |