Chemotherapy is a common treatment for cancer that uses drugs to kill cancer cells. There are several synonyms for chemotherapy that may be used interchangeably depending on the context. Some common synonyms for chemotherapy include cancer treatment, chemoradiation, immunotherapy, radiation therapy, and targeted therapy. Cancer treatment broadly describes any type of medical intervention used to treat cancer, while chemoradiation is a combination of chemotherapy and radiation therapy used to treat certain types of cancer. Immunotherapy involves using the body's immune system to attack cancer cells, while targeted therapy uses drugs to specifically target cancer cells and spare healthy tissue. Understanding these different synonyms for chemotherapy can help patients and their loved ones better understand cancer treatment options.