spouter vs prater

spouter and prater both are nouns.

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

As nouns, spouter and prater are synonyms defined as:

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

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