trench mouth vs Vincent's infection

trench mouth and Vincent's infection both are nouns.

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

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

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

Other synonyms of trench mouth include Vincent's angina.

trench mouth (noun)	Vincent's infection (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