idioglossia /id-i-ō-glosˈi-ə/

1. A condition in which pronunciation is so bad as to be quite unintelligible
2. A private language developed between two or more children, esp twins, etc

• piddlers
• piddles
• piddling
• piddock
• piddocks
• pidgeon
• pidgin
• pidgin English
• pidginisation
• pidginisations
• pidginization
• pidginizations
• pidgins
• pi-dog
• pie
• piebald
• piebalds
• piece
• pieced
• piece goods
• pieceless
• piecemeal
• piecemealed
• piecemealing
• piecemeals