gangrene vs sphacelus

gangrene and sphacelus both are nouns.

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

As nouns, gangrene and sphacelus are synonyms defined as:

gangrene and sphacelus: the localized death of living cells (as from infection or the interruption of blood supply)

Other synonyms of gangrene include mortification, necrosis.

As nouns, gangrene and sphacelus are synonyms defined as:

gangrene and sphacelus: necrotic tissue; a mortified or gangrenous part or mass

Other synonyms of gangrene include slough.

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

gangrene (verb)	sphacelus (verb)
undergo necrosis