logorrhea vs logomania

logorrhea and logomania both are nouns.

Word	Noun	Adjective	Verb	Adverb
logorrhea	Yes	No	No	No
logomania	Yes	No	No	No

As nouns, logorrhea and logomania are synonyms defined as:

logorrhea and logomania: pathologically excessive (and often incoherent) talking

logorrhea (noun)	logomania (noun)
pathologically excessive (and often incoherent) talking	pathologically excessive (and often incoherent) talking