| Term | Definition |
| homo/hetero | same/different |
| homo/heterochromatic | same/different color |
| homo/heterogeneous | of the same/differing in kind |
| homonym | word that sounds like another but different in meaning |
| heteronym | word spelled like another but differing in sound/meaning |
| homocentric | having the same center |
| homophonic | having the same sound |
| heterodox | opposed to accepted beliefs or established doctrines |
| heteroclite | deviating from common rule |
| homology | fundamental similarity of structure |
| heterology | lack of correspondance between parts |
| homo/heteromorphic | exhibiting similarity/diversity of form |