lymphoma vs malignancy

lymphoma

noun
  • A malignant tumor that arises in the lymph nodes or in other lymphoid tissue. 

malignancy

noun
  • A malignant cancer; specifically, any neoplasm that is invasive or otherwise not benign. 

  • That which is malign; evil, depravity, malevolence. 

  • The state of being malignant or diseased. 

How often have the words lymphoma and malignancy occurred in a corpus of books? (source: Google Ngram Viewer )