progressive emphysematous necrosis vs emphysematous gangrene

progressive emphysematous necrosis and emphysematous gangrene both are nouns.

Word	Noun	Adjective	Verb	Adverb
progressive emphysematous necrosis	Yes	No	No	No
emphysematous gangrene	Yes	No	No	No

As nouns, progressive emphysematous necrosis and emphysematous gangrene are synonyms defined as:

progressive emphysematous necrosis and emphysematous gangrene: (pathology) a deadly form of gangrene usually caused by clostridium bacteria that produce toxins that cause tissue death; can be used as a bioweapon

Other synonyms of progressive emphysematous necrosis include clostridial myonecrosis, emphysematous phlegmon, gangrenous emphysema, gas gangrene, gas phlegmon.

progressive emphysematous necrosis (noun)	emphysematous gangrene (noun)
(pathology) a deadly form of gangrene usually caused by clostridium bacteria that produce toxins that cause tissue death; can be used as a bioweapon	(pathology) a deadly form of gangrene usually caused by clostridium bacteria that produce toxins that cause tissue death; can be used as a bioweapon