pyorrhea vs pyorrhea alveolaris

pyorrhea and pyorrhea alveolaris both are nouns.

Word	Noun	Adjective	Verb	Adverb
pyorrhea	Yes	No	No	No
pyorrhea alveolaris	Yes	No	No	No

As nouns, pyorrhea and pyorrhea alveolaris are synonyms defined as:

pyorrhea and pyorrhea alveolaris: chronic periodontitis; purulent inflammation of the teeth sockets

Other synonyms of pyorrhea include pyorrhoea, Riggs' disease.

pyorrhea (noun)	pyorrhea alveolaris (noun)
discharge of pus	chronic periodontitis; purulent inflammation of the teeth sockets
chronic periodontitis; purulent inflammation of the teeth sockets