Synonyms of babblemouth

2 Syllables
gabbers, yappers, yapper, squealer, gasbag, bigmouth, babblers, blabber, babbler, gabber, loudmouth, blowhard, windbag
3 Syllables
gossiper, jabberer, blabberer, motor-mouth, chatterbox, chatterer, blabbermouth, chatterers
4 Syllables
gossipmonger, tattletale