festering vs medical specialty

festering and medical specialty both are nouns.

Word	Noun	Adjective	Verb	Adverb
festering	Yes	No	No	No
medical specialty	Yes	No	No	No

festering (noun)	medical specialty (noun)
a fluid product of inflammation	the branches of medical science that deal with nonsurgical techniques
(medicine) the formation of morbific matter in an abscess or a vesicle and the discharge of pus