| A | B |
| Histology | Study of tissue |
| Oncology | Study of tumors |
| Neurology | Study of nerves (nervous system) |
| Pathology | Study of disease |
| Etiology | Study of the causes of disease |
| Carcinogen | Substance that causes cancer |
| Melan/o | combining form meaning BLACK |
| Erythr/o | combining form meaning RED |
| Cyan/o | combining form meaning BLUE |
| Xanth/o | combining form meaning RED |
| Melanoma | Black Tumor (cancer) |
| Hyper- | Prefix meaning HIGH or EXCESSIVE |
| Hypo- | Prefix meaning BELOW or LOW |
| -stasis | Suffix meaning CONTROL |
| Pathogen | Disease causing agent |
| Hepat/o | Combining form meaning LIVER |
| -ic | suffix meaning PERTAINING TO |
| Prognosis | forcast of probable outcome of disease |
| Diagnosis | Identifying disease |
| Leukocyte | white blood cell |