Vincent's angina vs Vincent's infection

Vincent's angina and Vincent's infection both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vincent's angina	Yes	No	No	No
Vincent's infection	Yes	No	No	No

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

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

Other synonyms of Vincent's angina include trench mouth.

Vincent's angina (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