immunosuppressive vs immunosuppression

immunosuppressive and immunosuppression both are nouns.

Word	Noun	Adjective	Verb	Adverb
immunosuppressive	Yes	Yes	No	No
immunosuppression	Yes	No	No	No

immunosuppressive (noun)	immunosuppression (noun)
a drug that lowers the body's normal immune response	lowering the body's normal immune response to invasion by foreign substances; can be deliberate (as in lowering the immune response to prevent rejection of a transplanted organ) or incidental (as a side effect of radiotherapy or chemotherapy for cancer)

immunosuppressive (adjective)	immunosuppression (adjective)
of or relating to a substance that lowers the body's normal immune response and induces immunosuppression