progressive emphysematous necrosis vs emphysematous phlegmon

progressive emphysematous necrosis and emphysematous phlegmon both are nouns.

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

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

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

progressive emphysematous necrosis (noun)	emphysematous phlegmon (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