| Term | Definition |
| TOMY (TOM) | cutting, operation of incision |
| Anatomy | dissection of plants, animals, or anything else for the purpose of studying their structure |
| Appendectomy | surgical removal f the appendix |
| Dichotomy | a division or contrast between two things that are or are represented as being opposed or entirely different |
| Gastrectomy | surgical removal of part or all of the stomach |
| Lobotomy | a surgical operation involving incision into the prefrontal lobe of the brain, formerly used to treat mental illness. |
| Mastectomy | surgical removal of a breast |
| Phlebotomy | the surgical opening or puncture of a vein in order to withdraw blood or introduce a fluid, or (historically) as part of the procedure of letting blood. |
| Tome | one volume, or "cut" of a work of several volumes; scholarly book |
| Tonsillectomy | a surgical operation to remove the tonsils. |
| Tracheotomy | surgical operation of cutting into the windpipe (trachea) to create airway |
| POD | foot |
| Antipodes | 1. the direct opposite of something; 2. parts of the globe (or their inhabitants) diametrically opposite (literally, "with the feet opposite") |
| Chiropodist | one who treats ailments of the foot |
| Podiatrist | one who treats ailments of the foot |
| Podium | dais; raised platform |
| Tripod | utensil, stool, or caldron having three legs |
| Unipod | one-legged support |
| HOMO | one and the same, like |
| HETERO | different |
| Homochromatic | having the same color |
| Heterochromatic | having different colors |
| Homogeneous | of the same kind; similar; uniform |
| Heterogeneous | differing in kind; dissimilar; varied |
| Homomorphic | exhibiting similarity of form |
| Heteromorphic | exhibiting diversity of form |
| Homocentric | having the same center; concentric |
| Homonym | word that sounds like another but differs in meaning and spelling (example: principal and principle) |
| Heteronym | word spelled like another, but differing in sound and meaning (bass (the tone, pronounced "base") and bass (the fish, rhyming with "pass) |