| A | B |
| adenocarcinoma | cancerous tumor of glandular tissue |
| adenoma | tumor composed of glandular tissue (benign) |
| carcinoma | cancerous tumor (malignant) |
| chloroma | tumor of green color |
| epithelioma | tumor composed of epithelium |
| fibroma | tumor of fiber (fibrous tissue) benign |
| fibrosarcoma | malignant tumor composed of fiber (fibrous tissue) |
| leiomyoma | tumor composed of smooth muscle (benign) |
| leiomyosarcoma | malignant tumor of smooth muscle |
| lipoma | tumor composed of fat (benign) |
| liposarcoma | malignant tumor of fat |
| melanocarcinoma | cancerous black tumor |
| melanoma | black tumor (primarily of the skin) |
| myoma | tumor composed of muscle |
| neoplasm | new growth (of abnormal tissue or tumor) |
| neuroma | tumor composed of nerve (benign) |
| rhabdomyoma | tumor composed of striated muscle (benign) |
| rhabdomyosarcoma | malignant tumor of striated muscle |
| sarcoma | tumor of connective tissue (such as bone or cartilage) (highly malignant) |