| 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 of the appendix |
| dichotomy | a division or contrast between two things that are or are represented as being opposed or entirely different |
| 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 | the direct opposite of something; parts of the globe (or their inhabitants) diametrically opposite (literally, "with the feet opposite") |
| chiropodist, podiatrist | one who treats ailments of the foot (2 terms) |
| 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 |
| hetergeneous | 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 |
| heteronym | word spelled like another, but differing in sound and meaning |
| homophonic | having the same sound |