progressive emphysematous necrosis vs gangrenous emphysema

progressive emphysematous necrosis and gangrenous emphysema both are nouns.

Word	Noun	Adjective	Verb	Adverb
progressive emphysematous necrosis	Yes	No	No	No
gangrenous emphysema	Yes	No	No	No

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

progressive emphysematous necrosis and gangrenous emphysema: (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 gangrene, emphysematous phlegmon, gas gangrene, gas phlegmon.

progressive emphysematous necrosis (noun)	gangrenous emphysema (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