1. Malignancy
2. Neoplasm
3. Tumor
4. Carcinoma
5. Sarcoma
6. Leukemia
7. Lymphoma
8. Melanoma
9. Adenocarcinoma
10. Squamous Cell Carcinoma
11. Basal Cell Carcinoma
12. Multiple Myeloma
13. Carcinoid
14. Hemangiosarcoma
15. Osteosarcoma
16. Chondrosarcoma
17. Angiosarcoma
18. Metastasis
19. Cyst
20. Dysplasia
21. Adenoma
22. Hyperplasia
23. Papilloma
24. Teratoma
25. Fibrosarcoma
26. Leiomyosarcoma
27. Liposarcoma
28. Chordoma
29. Glioma
30. Sarcomatoid Carcinoma

Searching for synonyms for the word ‘cancer’ can be a daunting task. However, there are many different words and phrases that can be used in place of this word. Some of the best ideas for synonyms for cancer include malignancy, neoplasm, tumor, carcinoma, sarcoma, leukemia, lymphoma, melanoma, adenocarcinoma, squamous cell carcinoma, basal cell carcinoma, multiple myeloma, carcinoid, hemangiosarcoma, osteosarcoma, chondrosarcoma, angiosarcoma, metastasis, cyst, dysplasia, adenoma, hyperplasia, papilloma, teratoma, fibrosarcoma, leiomyosarcoma, liposarcoma, chordoma, glioma, and sarcomatoid carcinoma. All of these words can be used as an alternative to the word ‘cancer’ when discussing the disease.