prater vs spouter

prater and spouter both are nouns.

Word	Noun	Adjective	Verb	Adverb
prater	Yes	No	No	No
spouter	Yes	No	No	No

As nouns, prater and spouter are synonyms defined as:

Other synonyms of prater include babbler, chatterbox, chatterer, magpie.

prater (noun)	spouter (noun)
an obnoxious and foolish and loquacious talker	a spouting whale
	an oil well that is spouting
	an obnoxious and foolish and loquacious talker