Vincent's infection vs trench mouth

Vincent's infection and trench mouth both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vincent's infection	Yes	No	No	No
trench mouth	Yes	No	No	No

As nouns, Vincent's infection and trench mouth are synonyms defined as:

Vincent's infection and trench mouth: an acute communicable infection of the respiratory tract and mouth marked by ulceration of the mucous membrane

Other synonyms of Vincent's infection include Vincent's angina.

Vincent's infection (noun)	trench mouth (noun)
an acute communicable infection of the respiratory tract and mouth marked by ulceration of the mucous membrane	an acute communicable infection of the respiratory tract and mouth marked by ulceration of the mucous membrane