Oncovirus is a term typically used to describe a virus that causes cancer in humans. However, there are other synonyms that can be used to describe these types of viruses. Some of these synonyms include carcinogenic virus, cancer-causing virus, tumor virus or cancer virus. These terms all refer to viruses that have the potential to induce cancerous cell growth and the development of tumors in the body. Examples of common oncoviruses include Human Papilloma Virus (HPV), Hepatitis B Virus (HBV), and Human T-cell Lymphotropic Virus (HTLV-1). Understanding the various names associated with these harmful viruses helps in identifying and treating cancerous conditions.