Blabbermouth noun – A person who talks constantly. Busybody and blabbermouth are semantically related in informer topic. In some cases you can use "Busybody" instead a noun "Blabbermouth".
Busybody noun – A person who meddles in the affairs of others. Blabbermouth and busybody are semantically related in informer topic. You can use "Blabbermouth" instead a noun "Busybody".