Abnormal cell growth is a term commonly referred to as cancer, which is a serious and life-threatening illness worldwide. Other synonyms for abnormal cell growth include neoplasia, tumorigenesis, and oncogenesis. Neoplasia refers to the abnormal growth of cells, which can lead to the formation of tumors in various body parts. Tumorigenesis is another synonym that refers to the formation of tumors as a result of abnormal cell growth. Oncogenesis refers to the process of cell transformation into a cancerous cell. Although these conditions usually occur in older individuals, they can affect people of all ages, making early detection and treatment crucial in managing disease progression and health outcomes.