cancerous vs malignant

cancerous and malignant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
cancerous	No	Yes	No	No
malignant	No	Yes	No	No

cancerous (adjective)	malignant (adjective)
like a cancer; an evil that grows and spreads	dangerous to health; characterized by progressive and uncontrolled growth (especially of a tumor)
relating to or affected with cancer