immune suppressant drug vs immunosuppressant

immune suppressant drug and immunosuppressant both are nouns.

Word	Noun	Adjective	Verb	Adverb
immune suppressant drug	Yes	No	No	No
immunosuppressant	Yes	No	No	No

As nouns, immune suppressant drug and immunosuppressant are synonyms defined as:

immune suppressant drug and immunosuppressant: a drug that lowers the body's normal immune response

Other synonyms of immune suppressant drug include immunosuppressive, immunosuppressive drug, immunosuppressor.

immune suppressant drug (noun)	immunosuppressant (noun)
a drug that lowers the body's normal immune response	a drug that lowers the body's normal immune response