exodontics vs exodontia

exodontics and exodontia both are nouns.

Word	Noun	Adjective	Verb	Adverb
exodontics	Yes	No	No	No
exodontia	Yes	No	No	No

As nouns, exodontics and exodontia are synonyms defined as:

exodontics and exodontia: the branch of dentistry dealing with extraction of teeth

exodontics (noun)	exodontia (noun)
the branch of dentistry dealing with extraction of teeth	the branch of dentistry dealing with extraction of teeth