prater vs chatterbox

prater and chatterbox both are nouns.

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

As nouns, prater and chatterbox are synonyms defined as:

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

prater (noun)	chatterbox (noun)
an obnoxious and foolish and loquacious talker	an obnoxious and foolish and loquacious talker
	orchid growing along streams or ponds of western North America having leafy stems and 1 greenish-brown and pinkish flower in the axil of each upper leaf