chatterbox vs prater

chatterbox and prater both are nouns.

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

As nouns, chatterbox and prater are synonyms defined as:

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

chatterbox (noun)	prater (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