malignancy vs medical specialty

malignancy and medical specialty both are nouns.

Word	Noun	Adjective	Verb	Adverb
malignancy	Yes	No	No	No
medical specialty	Yes	No	No	No

malignancy (noun)	medical specialty (noun)
quality of being disposed to evil; intense ill will	the branches of medical science that deal with nonsurgical techniques
(medicine) a malignant state; progressive and resistant to treatment and tending to cause death