mortify vs gangrene

mortify is not a noun while gangrene is a noun.

Word	Noun	Adjective	Verb	Adverb
mortify	No	No	Yes	No
gangrene	Yes	No	Yes	No

As verbs, mortify and gangrene are synonyms defined as:

Other synonyms of mortify include necrose, sphacelate.

mortify (noun)	gangrene (noun)
	the localized death of living cells (as from infection or the interruption of blood supply)
	necrotic tissue; a mortified or gangrenous part or mass

mortify (verb)	gangrene (verb)
undergo necrosis	undergo necrosis
cause to feel shame; hurt the pride of
hold within limits and control
practice self-denial of one's body and appetites